How To Add TSA PreCheck To Delta App? – Know Everything Here

Last Updated on Nov 18th, 2025 by Renu Dahiya, Leave a Comment

When you are at the airport to catch your Delta flight, you’ve probably noticed one special security line i.e. for TSA PreCheck. We are sure that many of you already know of TSA PreCheck, a Trusted Traveler Program (TTP) that allows travelers to quickly move through airport security.

But, you may not be as familiar with the procedure of how to add a TSA PreCheck to Delta app before booking your flight. Don’t Worry! Here we have explained everything – Delta TSA PreCheck meaning, how to update your Known Traveller Number such as TSA PreCheck to a ticket before your next Delta flight & many more. Let’s get going!

Disclaimer: This article is for informational purposes only and is not affiliated with or endorsed by Airlines. The information provided is based on publicly available resources.

TSA PreCheck – What Is It?

TSA PreCheck is a Trusted Traveler Program (TTP) administered by the U.S. Department of Homeland Security’s Transportation Security Administration (TSA). This program is available at more than 200 airports and 85 airlines, the list of the same can be found on the official website of the TSA.

Apart from the fact that many airports and airlines participate in TSA PreCheck, there are few destinations where TSA PreCheck is not available. 

TSA PreCheck Benefits 

• TSA PreCheck provides travelers with expedited security screening for a better and smooth travel experience. 
• With TSA Pre, travelers no longer need to remove shoes, belts, light outerwear, laptop from a carry-on bag, and 3-1-1 compliant liquids from a carry-on bag. 
• The program is available at more than 200 airports with 85 participating airlines. 
• It is the most convenient and efficient security screening process. 
• With TSA PreCheck, you’ll be able to plan your travel with confidence and enjoy a more predictable experience.

How To Add TSA PreCheck To Delta App?

If you’d like to add a traveler number such as a TSA PreCheck, KTN, or Redress number, make sure to add this information to your passenger information before booking your next Delta flights, whether domestic or international flights like Chicago to Delhi flights.

Now, let’s know how to add KTN to Delta app or how to add TSA Precheck to Delta app.

To add a Known Traveller Number or TSA Precheck to Delta, after your PreCheck application has been approved, update your profile by logging into your Delta SkyMiles account.

The TSA PreCheck – The known Traveler ID column can be found under ‘Personal Details. Learn what will be the process in the case of new bookings and existing bookings below – 

In The Case Of New Bookings 

To add your KTN/PreCheck number to a new reservation of Delta flights, first, log in to your Delta SkyMiles account. It will automatically populate most of your personal details necessary to complete your purchase, including adding your Known Traveler Number or PreCheck number to your reservation.

If you are not logged in to your Delta SkyMiles account or do not have one, you can add your Known Traveler Number manually during the booking process, when entering your passenger information. You can find the Known Traveler and Redress Number field under the Secure Flight Info head.

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. 

Tip – If you don’t know what is a Redress Number and how to apply for it, you can check our handy guide here. 

How To Add TSA PreCheck To Delta Boarding Pass? 

After your TSA PreCheck application is approved, your benefits are not automatically applied to your flight bookings. You need to update your existing flight reservations and your airline loyalty program profiles so that you’ll be able to use the TSA-dedicated airport security lanes for PreCheck Members. 

After successfully updating your details, print your boarding pass from the Delta app. If your boarding pass does not show your PreCheck status, you won’t be able to use the TSA PreChekc security lanes. So, always make sure your Delta Boarding pass contains the ‘TSA PRE’ stamp.

Suggested Read – Delta Airlines Check-in policy

How To Add TSA PreCheck to Other Airlines’ Reservations? 

• American Airlines – To add PreCheck to a ticket on American Airlines, update your AAdvantage profile with your traveler number. Know everything about how to add TSA PreCheck to American Airlines here. 
• Southwest Airlines – Travelers flying with Southwest Airlines can add their PreCheck number to their Southwest Rapid Rewards member profile or at the official website while booking their flight tickets. Learn all the details regarding how to add TSA PreCheck to Southwest here. 
• United Airlines – Update your KT or PreCheck number to your United MileagePlus account or at the United Airlines’ official website. Here’s how to add TSA PreChcek to a United air ticket.

Suggested Read – Delta Airlines Baggage Allowance

Frequently Asked Questions

Now that you know the complete process of how to add TSA PreCheck to the Delta app. So, the next time you plan to book your flights with Delta, make sure you update your KTN or PreCheck Number to the Delta app or at Delta’s official website. 

Have more queries? Ask us in the comment section below. Our team, at MyTicketsToIndia, will try to resolve all your queries in the shortest possible time. 

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About Renu Dahiya | View Posts

Renu Dahiya is a passionate writer who worships her profession. Her love for writing has encouraged her to pursue her career as a writer. Her friends call her a “travel worm” and always come to her to know some interesting traveling tips and destinations. Renu is a repository of knowledge about traveling who knows which place should be visited in which season. Oh yes, she is insanely in love with dancing too. Writer, traveler and dancer, a perfect combination! Without a doubt, she is a complete package.