Add TSA Number to Delta Flight: How to Update Your TSA PreCheck Online
To add your TSA Pre✓ or Known Traveler Number (KTN) to your Delta flight, log into your My Delta account. Click on “Profile updates” and enter your KTN in the “Secure Flight Passenger Data” section. The updates will sync to your previous reservations within 36-48 hours. You can also add it during booking. Next, look … Read more