How do I add my known traveler number once checked in?

If you don't find out about the missing PreCheck designation until you're at the airport, take your boarding pass back to the airline check-in counter and ask them to add your KTN to your itinerary — even if you think it's not worth the trouble at that point.



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If you're eligible for TSA PreCheck, your boarding pass will show TSA PreCheck. If you add your KTN after checking in, you'll need to get a new boarding pass.

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Boarding passes If you're eligible for TSA PreCheck, your boarding pass will show TSA PreCheck. If you add your KTN after checking in, you'll need to get a new boarding pass.

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You can also update existing reservations with your TSA PreCheck number. Go to Edit Traveler Information in the Manage Reservations section on the website, at an airport kiosk or in the United app.

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Once a reservation is confirmed, you are not able to modify the passengers on the booking. Simply create a new reservation for your additional passengers.

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TSA PreCheck® is available when you depart from a U.S. airport to a foreign country, and for domestic, connecting flights after you return to the United States. If you travel internationally four or more times a year, consider enrolling in Global Entry instead of TSA PreCheck®.

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Typically you'll receive a decision on your application within 90 days, but with a lengthy backlog from the pandemic, there is a chance that it could take longer. Once you've received your conditional approval notification, you'll need to schedule an interview at a Global Entry Enrollment Center.

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Yes, other members of your group can usually go through TSA PreCheck if you have it. However, each person must meet the requirements and be approved for PreCheck separately. To do this, they must complete an enrollment process with the Transportation Security Administration.

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TSA PreCheck® is currently available at more than 200 airports with 85+ participating airlines nationwide. Eligible passengers can learn where by selecting a state or by entering airport information below.

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There's no TSA PreCheck in Europe (womp womp), but at select Europe airports, travelers can reserve a time slot in advance (free of charge) then head to the front of the security line. There's no need to experience a repeat of last year's flightmare at Amsterdam's Schiphol.

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You can't upgrade from TSA PreCheck to Global Entry You must complete the Global Entry application documents and then make an interview appointment.

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A Known Traveler Number (KTN) is issued to all individuals approved to receive TSA PreCheck® expedited screening. The KTN must be added in the KTN field when booking airline travel reservations to have the TSA PreCheck® indicator appear on your boarding pass.

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TSA Precheck is not available on home-printed or mobile boarding passes yet. If you're planning to travel on Lufthansa in the next few weeks, make sure you print your boarding pass from the ticket agents or automated kiosks in the departure lobby. By doing so, you can use TSA Precheck.

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If you wish to include an additional traveler, you will need to make a separate booking.

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To change the name on a flight ticket you should always contact the airline or travel agent you booked with as soon as you realise the name change is needed. This is because many airlines will have a cut-off point for name changes (generally up to 24 hours before the flight).

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