How should I plan the airport part of my trip?
Work backward from the operating airline, airport, flight and remaining tasks. Check-in, document inspection, security, border control, boarding and seat selection are separate steps.

More booking questions
Where can I get an onward boarding pass while connecting at Heathrow?
Heathrow’s connection guidance says a passenger without the onward boarding pass may use a travel itinerary to pass connection security and then obtain the pass from the relevant airline desk or kiosk. Treat that as a Heathrow connection procedure, not a general rule for every airport, and confirm your route with staff if your ticketing or document situation is unclear.
What this depends on
- Heathrow through-connection process; no entry or travel-eligibility guarantee
- A confirmed reservation, a check-in confirmation and a usable boarding pass are not interchangeable records. Be specific about which one you have. If the first airline issued only the first segment’s pass, show the onward itinerary and ask where the onward operating airline issues the next pass rather than assuming the connection itself has disappeared.
- Heathrow directs through passengers using purple Flight Connections signs. Its stated missing-pass option is useful because going to public arrivals unnecessarily may create a different route and additional formalities. Before choosing an exit, ask whether your actual onward flight can be handled within the connection process.
- The useful outcome is not merely a verbal assurance that a booking exists. Ask whether the onward flight is checked in, whether document review remains, and where the boarding pass will be issued. Once issued, compare the flight, date and passenger with your itinerary and recheck the current departure display.
- Heathrow says a connecting traveler without an onward boarding pass may present the itinerary at connection security and obtain the pass at an airline desk or kiosk.
- Heathrow uses purple Flight Connections signs to guide through-connection passengers.
Confirm before booking
- This is not permission to board without a pass, skip document checks or use a through route on an ineligible self-transfer. The source does not guarantee that every ticket can be completed by every kiosk. Live desk locations and gate numbers are intentionally omitted.
What to do next
- Keep the onward itinerary available, including the operating carrier and flight number.
- Follow the Heathrow connection route and tell staff that the onward boarding pass has not been issued.
- Use the itinerary-based connection-security process only as permitted by Heathrow’s instructions and staff, then obtain the pass from the relevant airline desk or kiosk.
Checked againstConnecting flights
Can I use a short-connection lane when transferring at Helsinki Airport?
Follow the eligibility shown on the airport’s current monitors rather than assuming a short layover grants automatic priority. Finnair says the monitors at security and border control indicate when travelers can use short-connection lanes. Which controls you encounter depends on where you are arriving from and traveling next.
What this depends on
- Helsinki Airport connections described by Finnair; current monitor-directed eligibility
- Finnair’s connection guide points travelers to control-area monitors for eligibility. A privately chosen definition of a short connection is not the same as the airport’s invitation to use a lane. Show the onward flight information to staff if the display is unclear and ask which route applies.
- Security and border formalities depend on the origin and destination. That makes a friend’s transfer experience an unreliable template for a different itinerary. Use the current airport route for your own flights and keep the onward pass and documents ready for the controls indicated.
- Finnair describes its app and airport screens as sources of connection guidance and walking information. Use them to find the current onward departure and route, not to convert an estimated walk into guaranteed processing time. If the pass is missing, Finnair identifies its transfer service or the departure gate as places to resolve issuance.
- Finnair says monitors at Helsinki security and border control identify eligibility for short-connection lanes.
- Security and border controls during a Helsinki transfer depend on arrival origin and onward destination.
- Finnair provides connection guidance through app/screens and directs missing onward passes to transfer service or the departure gate.
Confirm before booking
- No lane access, queue time or successful connection is guaranteed. This is not a universal minimum-connection-time rule, a paid fast-track offer or a missed-connection remedy. Separate tickets require their own planning and are not validated by this guide.
What to do next
- Identify the onward flight and check its current departure information in the airport system or Finnair app.
- Follow the route for the actual origin/destination combination, including any required security or border control.
- Read the monitor at the control area and use the short-connection lane only when the displayed eligibility or staff instruction applies.
Checked againstConnecting flights
Why doesn’t my Delta Silver status give me the expected boarding zone at Amsterdam or Paris?
Delta explicitly notes that Silver Medallion members do not receive their own priority boarding zone at Amsterdam Schiphol and Paris Charles de Gaulle because of the Air France–KLM boarding policy. Check the zone on the actual boarding pass and the operating carrier, rather than applying Delta’s general zone chart without its airport exception.
What this depends on
- Delta-published boarding priority, with the AMS/CDG Silver Medallion exception; actual operator and pass govern the gate process
- Delta’s general chart places Silver Medallion members in Zone 5. Its airport exception is why that familiar number cannot be assumed at Amsterdam or Paris. Read the actual boarding pass and listen for the local group call, rather than entering a priority line based only on the general chart.
- Delta’s general chart assigns zones using several categories, including cabin and loyalty status. Another qualifying attribute may affect the printed result. A Delta-marketed flight operated by a partner also requires attention to the operator’s gate instructions. Present the pass and membership details when asking about a discrepancy; do not simply join a line based on a remembered chart.
- This article explains why a particular expectation may be wrong. It does not tell you which line is open today, where the gate is or whether a late arrival will be accepted. Read the current pass and gate display and ask the gate agent when the printed group and announcement cannot be reconciled.
- Delta says Silver Medallion members do not have their own priority boarding zone at AMS/CDG because of Air France–KLM boarding policy.
- Delta’s general chart lists Silver Medallion members in Zone 5, subject to the separate AMS/CDG exception.
Confirm before booking
- The exception is specific to Silver’s own boarding-zone treatment at these airports. It does not establish another status tier’s entitlement, a lounge benefit, a security priority or a live gate assignment. Other ticket attributes can require individual review.
What to do next
- Identify AMS or CDG as the actual departure airport for the flight in question.
- Confirm the operating carrier and read the zone on the issued boarding pass.
- Apply Delta’s Silver-specific AMS/CDG exception instead of the unqualified general-zone expectation.
Checked againstBoarding priority
Which Air Canada check-in deadline applies at Billy Bishop Toronto City Airport?
Air Canada’s published exception gives a 30-minute check-in cutoff for domestic departures from Billy Bishop Toronto City Airport, while its US-departure check-in requirement there is 60 minutes. Do not copy the domestic exception to a US flight or confuse a baggage deadline with passenger check-in. These are completion cutoffs, not recommended terminal-arrival times.
What this depends on
- Air Canada published passenger check-in requirements at YTZ, separated by domestic versus US departure
- The relevant distinction is the destination category of the YTZ departure. Air Canada’s domestic exception does not erase the US-flight requirement. Read the actual flight and airport code, especially when Toronto appears in several parts of the itinerary. Do not substitute the rules for Toronto Pearson simply because both airports serve the same city.
- Air Canada’s table includes several different operational milestones. A baggage-acceptance time is not automatically the passenger check-in deadline, and completing check-in is not the same as reaching the gate. This article quotes only the passenger check-in exception; use the airline’s current table for any additional task relevant to the booking.
- As planning guidance, list any counter work, document checks, security and travel to the gate before choosing when to arrive. The quoted cutoff provides the latest permitted completion point for a stated task, not a safe estimate of the time that task will take. Check the current airport and airline notices rather than adopting a universal interval.
- Air Canada publishes a 30-minute passenger check-in cutoff for domestic YTZ departures.
- Air Canada publishes a 60-minute passenger check-in requirement for US departures from YTZ.
- Air Canada distinguishes passenger check-in, baggage and boarding milestones in its timing guidance.
Confirm before booking
- No flight schedule, current route operation, security queue time or universal arrival time is asserted. The source provides a published requirement category; it does not prove a particular YTZ route is operating on a chosen date. Other carriers and airports can differ.
What to do next
- Confirm that the departure airport is YTZ/Billy Bishop and identify whether the departing Air Canada flight is domestic or US-bound.
- Apply the corresponding passenger check-in cutoff, not the other destination category’s exception.
- Read separate baggage or gate requirements only for the tasks that apply; do not combine their labels.
Checked againstCheck-in and boarding times
Should I take the train to Heathrow Terminal 5’s satellite gates before my gate is announced?
British Airways advises travelers to wait in Terminal 5’s main A-gates building until the departure gate is announced. B and C gates are in satellite buildings linked by a transit train, with a moving-walkway alternative. Use the current flight display before choosing a satellite; a past trip’s gate is not evidence of today’s departure point.
What this depends on
- Heathrow Terminal 5 internal movement described by British Airways; building structure, not live flight/terminal allocation
- The practical decision is not simply whether a train exists. It is whether the current flight has been assigned to a destination that requires using it. BA’s guidance says to remain in the main building until the gate appears. Match the flight number and destination on the current display before committing to a satellite direction.
- BA describes the A building and B/C satellites as separate parts of Terminal 5 and identifies both train and moving-walkway routes. Neither is a universal connection-time allowance. The total journey may also include controls, walking and any unresolved airline task. No transit duration is used here to promise that a particular connection is safe.
- BA directs passengers to monitor flight information because gate details are announced and can change. Retain access to the actual pass and current display information. A destination shown on a saved airport map is a place, not confirmation that the flight will depart there.
- BA advises Terminal 5 passengers to wait in the main A-gates building until the flight’s gate is announced and to check current displays.
- Heathrow T5 B and C gates are in satellite buildings served by a transit train, with a moving-walkway alternative.
Confirm before booking
- This is not a live gate lookup, an assurance that a particular airline always uses Terminal 5 or a fixed walking-time calculation. Follow staff instructions and current closures; no satellite-return procedure is inferred.
What to do next
- Confirm that the flight’s current departure information places you in Terminal 5; do not use this article as an airline-terminal directory.
- Wait in the main A-gates building until the departure gate is announced, following BA’s guidance.
- For an announced B or C gate, follow the current signs to the appropriate train or walkway route.
Checked againstFlight connections
When should I enter US Preclearance at Dublin Airport?
Complete airline check-in and Dublin security first, then watch the flight-information screens for the allocated time to enter US Preclearance. Dublin Airport directs passengers to enter when advised, rather than treating the facility as the first stop on arrival at the terminal. US immigration, customs and agriculture checks take place before the flight in this process.
What this depends on
- Dublin Airport US-bound departure/preclearance sequence; individual US travel authorization and admission are not assessed
- Dublin’s sequence puts the airline’s check-in and the airport’s security screening ahead of the preclearance entry instruction. A flight booking or preclearance-related message is not evidence that the earlier stages are complete. Keep the flight and travel documents accessible and finish any airline task before proceeding.
- The airport tells travelers to wait for the allocated entry time displayed on the screens and then go when advised. That is a current flight-specific operational instruction, so this article does not reproduce a static entry hour for a flight number. Watch for the correct departure and ask staff when the display is unclear.
- The facility moves US inspection before the flight; it does not create permission to travel for someone without the necessary documentation. This article explains the airport route, not whether the traveler qualifies for ESTA, a visa or admission. Obtain those requirements from the relevant official authorities for the actual person and journey.
- Dublin’s sequence is airline check-in, airport security, wait for the screen-displayed allocated Preclearance entry time, then enter when advised.
- Dublin US Preclearance performs US immigration, customs and agriculture checks before the flight.
Confirm before booking
- No live entry time, queue duration, universal terminal-arrival interval or US admission guarantee is supplied. Dublin’s page contains conflicting ESTA processing-time wording; no processing-time, fee or approval-speed claim is adopted here.
What to do next
- Complete the airline’s required check-in and document tasks.
- Go through Dublin Airport security.
- Read the flight-information screens for the allocated US Preclearance entry time and proceed when advised.
Checked againstU.S. Preclearance
What extra checks apply when connecting at Heathrow to a UK or Ireland flight?
British Airways describes a passport-control and facial-biometric step before security for Heathrow connections to UK and Ireland destinations. Follow the Flight Connections route for the onward journey, but do not assume that the process is the same as remaining on an international-to-international transfer. The airport process does not itself establish your permission to travel.
What this depends on
- Heathrow connections covered by the British Airways guide, onward to a UK or Ireland destination; not an assessment of immigration eligibility
- The relevant distinction is the destination of the next flight, not simply whether both flights use Heathrow. BA puts UK and Ireland connections through a different control sequence from its general international transfer instructions. Have the onward itinerary visible when asking for directions; saying only that you are connecting can conceal the branch that matters.
- The guide places facial-image capture before departure security for these connections. A boarding pass is therefore not evidence that every airport identity step has already been completed. Follow the staffed instructions rather than trying to bypass a checkpoint because the airline app shows you as checked in.
- BA distinguishes onward UK and Ireland connections in its Heathrow transfer instructions.
- For this branch BA describes passport control followed by facial-biometric capture before security.
Confirm before booking
- No claim is made about visa exemptions, eligible travel documents, automated-lane entitlement or guaranteed admission. Terminal and gate assignments are live information. Separate-ticket or airport-change itineraries need their own route review.
What to do next
- Confirm the actual destination and operating airline of the onward flight.
- Follow the Heathrow Flight Connections signs and the UK/Ireland branch indicated for the journey.
- Complete the passport-control, facial-biometric and security steps in the published order.
Checked againstFlight connections
Does a UK-to-Schengen connection at Schiphol require passport control even if security is not repeated?
Yes: KLM separates passport control from security screening. Its transfer guide says crossing between non-Schengen and Schengen destinations involves passport control, while arrivals from the UK are among the origins it lists as normally exempt from another security check at Schiphol. Exemption from one checkpoint is not exemption from the other. Follow the actual route and staff instructions.
What this depends on
- KLM-published Schiphol transfer procedure for UK arrival and onward Schengen flight; individual entry eligibility is outside scope
- Ask first whether the onward flight crosses the Schengen border-control boundary. Then ask whether the origin requires repeat security. KLM’s guide treats these as separate tests. Combining them into a single question about being “airside” can lead you to overlook the passport-control stage.
- The practical task is to leave room for the required border process while following the current departure signs. KLM’s page contains inconsistent general minimum-transfer-time wording, so no single connection duration is adopted here. This article cannot certify a tight connection or tell you how long the passport queue will take.
- KLM says connections between non-Schengen and Schengen destinations involve passport control.
- KLM lists UK arrivals among origins normally not requiring another Schiphol security check.
Confirm before booking
- KLM’s origin list is not a personal guarantee that screening will be waived. Security instructions can require additional checks. No visa eligibility, border admission or connection-time guarantee is provided.
What to do next
- Verify that the arriving flight is from the UK and the onward destination is in the Schengen branch of your itinerary.
- Follow the current transfer directions toward the onward departure.
- Complete the applicable passport-control step even when no repeat security checkpoint is required.
Checked againstTransferring to another flight
How do I know whether KLM has issued me a Short Connection Pass at Schiphol?
Look for the airline’s notification in the KLM app. KLM describes the Short Connection Pass as an app-issued option for eligible short transfers at Schiphol, not a security pass that every traveler can assume they have. Use the issued instruction at the relevant checkpoint and continue toward your onward flight; a short layover alone is not proof of access.
What this depends on
- KLM app guidance and eligibility notification for a Schiphol short connection; not missed-connection remedies
- KLM describes transfer guidance in the app and a separate Short Connection Pass notification when applicable. Read the message itself: a map or reminder can help you navigate without granting access to a special queue. If no pass is displayed, do not turn your own estimate of a short connection into an entitlement.
- Follow the instruction attached to the issued pass and the airport’s current signs. This is a way to carry out a connection, not a replacement for travel documents, the onward boarding pass or completion of the relevant checks. It does not establish how long the remaining process will take.
- KLM describes app transfer guidance and notification of a Short Connection Pass when applicable.
- The Short Connection Pass is used according to the app’s checkpoint guidance.
- Schiphol’s departure-security timeslot is separately reserved and uses an emailed QR code.
Confirm before booking
- No eligibility algorithm, maximum layover, guaranteed queue access or airport transit time is supplied. If the app does not issue a pass, this article cannot generate or validate one. Disruption and rebooking remedies are outside scope.
What to do next
- Open the KLM app with the actual connecting itinerary available.
- Read the transfer notification and distinguish ordinary guidance from an issued Short Connection Pass.
- Follow the issued pass instructions and present it to checkpoint staff where directed.
Checked againstTransferring to another flightBook a free security timeslot
Can I remain airside overnight during an international connection at Narita?
Narita’s official international-connection guide says passengers cannot stay in the airport’s airside area overnight and must complete the applicable arrival immigration and customs process. Do not treat an overnight connection as permission to remain in transit without entering Japan. Verify your ability to complete the required entry process before relying on that itinerary.
What this depends on
- Narita overnight international connection planning; not Haneda, a visa assessment or accommodation advice
- Narita describes ordinary international transit separately from the restriction on overnight airside stays. Being eligible for an airside connection during operations does not establish that you can wait there through the night. Check whether your actual itinerary crosses the overnight boundary rather than relying on a generic “international transit” label.
- The airport’s operational instruction creates a need to check the applicable entry process; it does not grant admission. Use the competent official authority for your nationality, passport and circumstances. A hotel booking, airline confirmation or onward boarding pass is not a substitute for that determination.
- Narita states that overnight stays in the airside area are not permitted.
- Narita says overnight connecting passengers must complete arrival immigration and customs procedures, with applicable entry requirements.
Confirm before booking
- No visa exemption, admission guarantee, hotel availability or live operating schedule is provided. This article does not decide rebooking or refund rights. Narita’s rule must not be copied to another Japanese airport without separate evidence.
What to do next
- Read the local arrival and departure dates carefully, including any date change.
- Check Narita’s current overnight-airside restriction.
- Verify the official entry requirements for the arrival process the airport requires.
Checked againstConnection between international flights
Can I use Frankfurt’s displayed gate journey time as my total connection time?
No. Frankfurt describes its journey-time display as the route time to an assigned gate, with displays behind security and passport controls. That does not establish a complete allowance for checks you have not yet passed. Read the live gate and journey information, then account separately for any remaining checkpoint or airline task.
What this depends on
- Frankfurt gate-route planning using airport journey-time displays; not a guaranteed minimum connection time
- Fraport places journey-time displays directly behind security and passport controls and says a route time appears once the flight’s gate is determined. A number observed at that stage should not be treated as evidence of the time needed to get through earlier stages. This is a planning distinction, not a claim about a particular queue.
- Frankfurt identifies mobile service guides, service points and InfoGates for assistance. Give staff the actual onward flight and explain which checks remain. An answer about the walk to a gate is more useful when it is not confused with whether you still need a boarding pass or border processing.
- Frankfurt describes journey-time displays behind security and passport controls, with a time shown once the gate is determined.
- Frankfurt provides mobile service guides, service points and InfoGates for airport assistance.
Confirm before booking
- No guaranteed walking speed, queue time or universal connection interval is given. The display is live information; this article explains how to interpret it without reproducing a particular gate or number. Assistance does not guarantee a held flight.
What to do next
- Check the current onward flight and gate rather than using a saved gate number.
- Read the airport journey-time display when available for the assigned gate.
- List any security, border or airline task that you have not completed separately from the displayed route time.
Checked againstTransferring at Frankfurt Airport
What do I still need to do at Pearson after submitting an Advance Declaration?
The advance submission is not the end of the airport process. Pearson says eligible travelers can submit a Canadian Advance Declaration through ArriveCAN within 72 hours before arrival, then retrieve it at a kiosk or eGate, review and certify it, and take the resulting receipt to a border services officer. Keep the advance confirmation, but follow the airport completion steps.
What this depends on
- Pearson’s published Canadian Advance Declaration arrival workflow; not US Preclearance or immigration eligibility
- The airport places the online declaration before the arrival kiosk/eGate and officer stages. A confirmation email does not establish that all airport checks are complete. Follow the current Advance Declaration signs where eligible and keep the travel document used for the submission ready.
- Pearson’s process requires reviewing and certifying the declaration at arrival. Treat that as a real completion step, not just an instruction to scan a passport and leave. If a retrieved detail is wrong or the declaration cannot be found, ask staff how to complete the correct process rather than assuming the earlier submission controls the outcome.
- Pearson describes ArriveCAN Advance Declaration submission within 72 hours before arrival.
- At arrival the declaration is retrieved, reviewed and certified at a kiosk/eGate; the resulting receipt goes to a border services officer.
Confirm before booking
- No faster-queue guarantee, immigration permission or personal declaration advice is given. Eligibility for a particular kiosk or document type requires the current instructions. The workflow does not complete US Preclearance.
What to do next
- Where eligible, submit the Advance Declaration through ArriveCAN within the stated pre-arrival window.
- Retain the confirmation and use the airport’s applicable kiosk/eGate route.
- Retrieve, review and certify the declaration at arrival.
Checked againstConnecting Flights: Customs and Immigration
Which airline should I check in with when my ticket is a codeshare?
Begin with the airline that actually operates your first flight, then check whether the airline’s official instructions provide a specific exception. A marketing flight number or the website that sold the ticket does not, by itself, identify the check-in channel. Singapore Airlines, for example, publishes a limited Scoot-first online exception with ticket and itinerary conditions—not a rule for every partner flight.
What this depends on
- Operational check-in ownership for codeshare journeys; examples from American Airlines and Singapore Airlines, not a universal partner matrix
- Read the “operated by” information for the first flight. American’s check-in guidance directs passengers to the operating airline for applicable partner requirements. Record that operator next to the marketing flight number so that a seller’s booking reference is not confused with the check-in system you need.
- Singapore’s published Scoot-first exception depends on the ticket and the complete booking arrangement. It should not be extended to an unrelated partner or to separate reservations. An exception is useful only when the traveler can verify every listed condition; otherwise use the first operator’s official process and ask it to resolve a failed lookup.
- An agency reference may identify the sale but fail in an airline system. Ask the seller for the operating airline’s locator when necessary. Do not change or cancel the flight simply to fix a lookup issue. Once the flight is found, check what the status actually says: registered, awaiting document verification or boarding pass issued.
- American Airlines directs passengers to operating-airline requirements for applicable flights operated by other carriers.
- Singapore Airlines normally uses first-operating-carrier check-in but describes a limited Scoot-first online exception tied to ticket and itinerary conditions.
Confirm before booking
- This is a routing method, not a verified rule for every airline pair. It does not promise through-check-in, protected connections or entry permission. No partner seat-selection privilege is inferred from check-in ownership.
What to do next
- Find the operating airline for the first flight on the issued itinerary.
- Open that airline’s official check-in instructions and check the correct departure-specific window.
- Use an exception only if the official partner rule expressly covers the ticket, flights and booking structure.
Checked againstCheck-in and arrival timesOnline or mobile check-in
Am I paying to choose a seat, to get extra space or to upgrade my cabin?
Identify the exact entitlement before paying: an airline assignment, a choice of seat location, an extra-space seat within the same cabin, and a cabin upgrade are different decisions. There is no reliable universal seat-selection fee or free-choice rule. For example, American Main Cabin Extra remains in Main Cabin, WestJet Extended Comfort remains in Economy, and KLM Light can assign a seat while charging for a change.
What this depends on
- Cross-airline decision guide using verified examples; not a complete fare or airline policy matrix
- A request such as “better seat” is too broad to compare offers. Specify the problem: window versus aisle, forward location, more legroom, or a different cabin. Then read the product description to see which problem the charge solves. The AA and WestJet examples show why extra-space branding should not automatically be called a cabin upgrade.
- An assigned seat and a right to choose any available seat are not the same. KLM’s Light example makes that distinction explicit. A booking with an assigned seat can still show a charge when the traveler asks to change it. Use the actual fare and seat category rather than interpreting the existence of an assignment as a free-choice promise.
- Record the flight, passenger, category and quoted amount. A per-flight seat purchase should not be described as an itinerary-wide cabin improvement. If the confirmation uses a different product name from the one you intended, pause before payment and ask the airline to explain it. This is a comparison method, not a statement that every carrier uses the same charging unit.
- American Main Cabin Extra remains within Main Cabin.
- WestJet Extended Comfort remains an Economy seat product rather than Premium or Business.
- KLM Light distinguishes automatic assignment at check-in from a potentially paid change of that seat.
Confirm before booking
- No cross-airline fee table, universal free-seat period or guaranteed product availability is provided. Status, fare, flight and sales channel can change the result. This guide does not replace the linked airline-specific rules or give seating advice for family, accessibility or exit-row eligibility.
What to do next
- Identify the operating carrier, fare and current cabin for the flight.
- State the desired outcome: location, extra space or a different cabin.
- Match that outcome to the named product and its included benefits.
Checked againstMain Cabin ExtraSeat selectionSeats in Economy Class
Sources and last checked
- Connecting flightshttps://www.heathrow.com/connecting-flights
- Connecting flightshttps://www.finnair.com/us-en/smooth-travelling-at-helsinki-airport/connecting-flights
- Boarding priorityhttps://www.delta.com/us/en/check-in-security/boarding-priority
- Check-in and boarding timeshttps://www.aircanada.com/ca/en/aco/home/plan/check-in-information/check-in-and-boarding-times.html
- Flight connectionshttps://www.britishairways.com/content/information/airport-information/flight-connections
- U.S. Preclearancehttps://www.dublinairport.com/flight-information/travelling-to-usa/usa-preclearance
- Transferring to another flighthttps://www.klm.com/information/airport/transfers
- Book a free security timeslothttps://www.schiphol.nl/en/timeslots/
- Connection between international flightshttps://www.narita-airport.jp/en/airportguide/connect/inter-inter/
- Transferring at Frankfurt Airporthttps://www.frankfurt-airport.com/en/flights-and-transfer/transferring-at-fra.html
- Connecting Flights: Customs and Immigrationhttps://www.torontopearson.com/en/connections/customs-immigration
- Check-in and arrival timeshttps://www.aa.com/web/i18n/travel-info/check-in-and-arrival.html
- Online or mobile check-inhttps://www.singaporeair.com/en_UK/us/travel-info/check-in/online-mobile-checkin/
- Main Cabin Extrahttps://www.aa.com/web/i18n/travel-info/experience/seats/main-cabin-extra.html
- Seat selectionhttps://www.westjet.com/en-ca/manage/seats
- Seats in Economy Classhttps://www.klm.com/information/travel-class-extra-options/economy-class-seats