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Can I travel without a known traveler number?

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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However, the answer is yes to the question Can I add TSA PreCheck to an existing reservation? You must update existing flights and your airline loyalty program profiles to be able to use the dedicated airport security lanes for PreCheck members.

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Yes, TSA PreCheck can save you time at airport security. Many TSA PreCheck members spent an average of five minutes in airport security in February 2023, according to the TSA website . If you've ever waited in line for a security screening at the airport, you know getting through can take much longer than five minutes.

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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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Technically your spouse can't go through the TSA PreCheck lane without their own account. In some instances, however, security may allow them through when it's clear that their boarding passes match yours as the primary account holder.

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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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Re: No TSA Precheck on Boarding Pass Verify your PreCheck is not expired, you need to renew it every 5 years. Verify the name on the reservation matches your PreCheck name exactly, including middle name. PreCheck is never guaranteed. TSA may not always issue the PreCheck authorization.

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The application fee for TSA PreCheck® is $78 for 5 years.

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The application fee for TSA PreCheck® is $78 for 5 years. Before you apply, we recommend that you review the various DHS trusted traveler programs, such as the TSA PreCheck® Application Program, Global Entry, NEXUS, or SENTRI, to ensure you meet the eligibility requirements and determine the best program for you.

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In The Case Of Existing Information You can update your TSA PreCheck number or Know Traveler Number even after your bookings. Just go to the official website of Delta Airlines, then find your reservation and edit your passenger information to update your PreCheck details.

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

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With a $78 one-time fee, you pay about $15.50 per year over five years. What do you get for your money? Shorter wait times. In May 2023, 89% of TSA PreCheck passengers waited less than five minutes in security lines, according to the TSA.

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How Do I Get TSA Precheck for Free?
  1. Aeroplan® Credit Card.
  2. The Platinum Card® from American Express (Terms apply, see rates & fees)
  3. The Business Platinum Card® from American Express (Terms apply, see rates & fees)
  4. Bank of America® Premium Rewards® credit card.
  5. Capital One Venture Rewards Credit Card.


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The fastest and easiest way to enroll in TSA PreCheck® is to start the application online.

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