Can I add my KTN to an existing reservation Delta?

If you have added the Known Traveler Number in your My Delta account, the number will get synced to your current reservation within 36-48 hours. If you add the Known Traveler Number in My Trips then it will automatically get updated in your current reservation.



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Delta provides a form on the Delta website for you to enter your PreCheck credentials. It's on the same page where you enter your credit card and personal contact information. Once you have checked in and obtained your boarding pass, it's too late to enter the PreCheck information. You need do this only once.

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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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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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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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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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You can use any web browser on your computer, phone, or tablet to add your Known Traveler Number (KTN) to your Delta profile. While it's not possible to add PreCheck in the Delta mobile app, you'll be able to pull up your PreCheck details in the mobile app after adding your KTN to your profile in a web browser.

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Usually, no, but there are exceptions. These include allowances for the following types of guests who don't have their own TSA PreCheck membership: spouses, children, those with a disability, and active military personnel.

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The TSA PreCheck® Application Program is only open to U.S. citizens, U.S. nationals and lawful permanent residents. Applicants may be ineligible due to incomplete or false application information, certain violations of federal security regulations, or disqualifying criminal offenses and factors.

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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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Adding KTN after booking flight
  1. Head to delta.com.
  2. Sign in or tap on your name in the top right and click My Profile.
  3. Under the my information or something similar to that, there should be a spot to put your KTN. You can always use Ctrl/cmd + f too.
  4. Your KTN will automatically work for all future flights too.


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Visit the TSA PreCheck website and click on the Check Status button. Enter your full name, date of birth and passport number or your Known Traveler Number (KTN). Review your TSA PreCheck status. You'll know your membership is active if the website displays your current status, expiration date and KTN (if applicable).

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If I am TSA PreCheck® eligible, am I guaranteed expedited screening? No, TSA uses unpredictable security measures, both seen and unseen, throughout the airport. All travelers will be screened, and no individual is guaranteed expedited screening.

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TSA estimates that 95% of TSA PreCheck passengers wait less than five minutes in the security line. This is a small amount of time separating you from the back of the security line to the terminal, meaning the most useful benefit is, of course, saving time.

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