Entering your KTN to your frequent flyer profile will NOT automatically update previously booked reservations.Your frequent flyer profile - for one of the TSA Pre✓® participating airlines - makes the booking process easier, quicker and more efficient when booking on that particular airline website ONLY for future flights your name, KTN and other personal/billing information is automatically populated when you use that site, and are logged in, for future reservations.īut we want to make a few very important points about this process: You may think you are all set, but more may be required to be eligible for TSA Pre✓® on your next flight. However, we have learned that TSA Pre✓® travelers who receive their KTN only add it directly to their frequent flyer profile. If you are enrolled in a trusted traveler program ( TSA Pre✓® application program, Global Entry, NEXUS and/or SENTRI), or have been issued a KTN (e.g., members of the military), you will receive TSA Pre✓® on a consistent basis. Why? Your next TSA Pre✓® opportunity may be impacted by how you use this information. If you have a Known Traveler Number (KTN), you might want to pay attention to this blog post. Review these tips if you just received your KTN or have not received TSA Pre✓®. Updated - This post has been updated to bring you the latest information and tips on TSA Pre✓®.