Is it OK to share your flight confirmation number?

Depending on your situation, you might also want to tell them your name, seat assignment, cabin class, or any other personal information which they legitimately need to know. In general, there is no good reason to provide anyone with your booking code or confirmation number (or whatever your airline calls it).



You should never share your flight confirmation number (also known as a PNR or Record Locator) on social media or with anyone you do not implicitly trust. In 2026, your confirmation number acts as the "master key" to your entire travel itinerary. Anyone with this 6-character code and your last name can log into the airline's website to view your sensitive personal data, including your full name, date of birth, passport details, phone number, and email address. More dangerously, a malicious actor could use this access to change your seat, cancel your flight, or even steal your frequent flyer miles by redirecting them to a different account. Even "blurred" photos of boarding passes on Instagram are risky, as the barcodes contain the same information and can be easily decoded by free online tools. If you want to share your travel excitement, wait until after you have landed, or post a photo of the wing out the window rather than any document containing your PNR, ensuring your digital security and travel plans remain fully protected.

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Depending on your situation, you might also want to tell them your name, seat assignment, cabin class, or any other personal information which they legitimately need to know. In general, there is no good reason to provide anyone with your booking code or confirmation number (or whatever your airline calls it).

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“Many airlines use only the data on the boarding pass, specifically the confirmation code and last name to allow full access to your online account. These can be abused to access your personal data that is stored by the airline.”

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Travel details are in fact confidential. No reputable airline is going to give a passenger's itinerary to a random person, even if the passenger is not a high-profile elite traveler.

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It shouldn't be shared publicly. As you note, the booking reference plus the passenger's name generally lets you make changes to bookings.

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Confirmation Number. A flight number is not the same as the confirmation number you receive when booking a reservation. A confirmation number is typically an alphanumeric code used to identify your reservation and expedite the check-in process.

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The flight number is important for tracking flights. It is used to identify airline, route, and schedule. The flight number may change due to schedule updates. It can also be found on airport departure/arrival screens.

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Information Needed Much like when you buy your own ticket, you will need specific information for the person who is going to fly. That includes date of birth, their full name (as it appears on a driver's license or other official ID), You also must know the person's country of residence.

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With a codeshare flight, the operating carrier is the airline that flies the plane, and the marketing carrier is the partner airline that sells seats on the operating carrier's flights.

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To cancel flights for a specific traveler, you must divide the reservation. That will create multiple individual reservations, and then cancel the applicable reservation. To divide the reservation, select the individual cancel option in the travelers section on the reservation.

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CBP will keep PNR data secure and confidential, consistent with applicable U.S. law. Careful safeguards, including appropriate data security and access controls, will ensure that the PNR data is not used or accessed improperly.

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The booking number is an important code that you receive when you book a flight. This code, also known as a filekey, booking code, or booking reference, is used to identify and track your booking. You can always check your booking number with the airline you booked with.

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Aside from military and government sensitive flights, flight information collected by the FAA is considered public information because taxpayers pay for air traffic controllers, runways, towers, and other resources utilized by both commercial and private pilots.

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Airlines and ticket agents regularly collect personal information from passengers in the course of business that may not be otherwise publicly available such as name, date of birth, and frequent flyer number. It is important for this information to be collected and maintained responsibly.

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U.S. law requires all travelers, regardless of citizenship, age or destination, to hold a secure document such as a passport to depart the United States by air. While it is not required to have a passport to make flight reservations, it is strongly recommended.

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After purchasing your ticket online, download the file and print your ticket. Passengers can find their e-ticket files in the email sent to them. For domestic flights, passengers do not have to show their e-tickets at the security checkpoints.

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At the most basic level, flight numbers can only be up to 4 digits long. Airlines can choose any number from 1 to 9999. Due to superstition, they avoid using flight numbers 13, 666 and the like. Numbers that match aircraft models are also avoided to avoid confusion, such as 737 and 757.

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