Can you add known traveler number after boarding pass?

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

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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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If you still do not have a TSA PreCheck indicator on your boarding pass, please call the TSA Contact Center at (866) 289-9673, submit an online form, or contact us at @AskTSA on Twitter and Facebook Messenger.

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You can also add it to existing trips that you already booked in My Trips.
  1. Log in to My Profile.
  2. Under Personal Details, update/add your Secure Flight Passenger Data, and if applicable, your Customs and Border Protection (CBP) or TSA-assigned Known Traveler ID.


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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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Yes. 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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For TSA officers, the machine helps them quickly recognize valid, expired or fraudulent IDs. The unit also seamlessly connects to the Secure Flight database, which confirms information like an individual's travel date, airline and flight number, making a boarding pass simply not necessary.

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Depending on the carrier, changing paid seats after booking may or may not be supported. In particular, some Direct Payment Carriers may not permit changing paid seats after booking, or may have specific requirements for changing seats.

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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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Global Entry provides expedited U.S. customs screening for international air travelers when entering the United States. Global Entry members also receive TSA PreCheck® benefits as part of their membership.

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