Can you add a KTN to an existing reservation Delta?

With Global Entry, your CBD PASSID serves as your Known Traveler Number. Please provide this number when booking your flights or add it to the Basic Info section in your Delta profile. You can also add it to existing trips that you already booked in My Trips.



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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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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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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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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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How can you add TSA PreCheck to an existing reservation? Add your KTN through the “Add Secure Traveler Information” webpage. Type in the confirmation number for your flight, along with the first and last name that you used for your flight reservation. From there, you can add your KTN to your previously booked flight.

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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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Prior to the pandemic, these TSA officers had to cross-reference names and information between boarding passes and IDs, which could lead to errors. Over the past couple of years, TSA has evolved its technology, and the CAT machine simplifies the entire process.

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In most cases, travelers are permitted to bring up to $800 worth of merchandise back to the United States without having to pay duty. (Numerous exceptions apply.) Keep in mind that only one liter of alcohol, 200 cigarettes, and 100 cigars may be included in this exemption.

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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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