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How do I add my KTN for a reservation that has already been made?

For Existing Reservations Log into your flight reservation under the Traveler Info section and add your KTN there. You must have been approved for TSA PreCheck before you booked the flight in order for it to be used during a trip.



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To do so, click on Manage Trip for each reservation. Then, click on Add/Edit Passenger Information to add your PreCheck number.

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How do I add my Known Traveler Number (KTN) to previous reservations? Contact your airline by phone or online to add your Known Traveler Number (KTN).

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

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If you are unclear why you are not receiving the TSA PreCheck® indicator on your boarding pass, first check that your membership has not expired by looking up your KTN (Known Traveler Number) here. If your KTN is still active, confirm with your airline that your KTN, name, and date of birth are accurate.

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Most airlines instruct you to log in to your profile and edit your existing reservation in order to add your KTN. For Frontier Airlines, log in to My Trip and have your confirmation code ready. Likewise, you need to go to My Trips to update your existing reservation with Spirit.

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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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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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Go to the TSA PreCheck website and select the tab that says “Renewal” to begin the process. Provide your KTN, date of birth and legal last name. You'll then be guided through a series of screens that will ask you to confirm your address and passport information and answer some security questions.

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Participating airlines display a TSA PreCheck® indicator directly on your boarding pass if you are eligible for TSA PreCheck based on your provided Known Traveler Number (KTN).

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Yes! In short, the TSA states: “To receive TSA PreCheck, you must include your Known Traveler Number (your CBP PASSID for Global Entry, NEXUS, or SENTRI members) in the appropriate field of your airline reservation, and the TSA PreCheck® indicator must be displayed on the boarding pass to access the lanes.”

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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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