nancy adams How to add TSA pre to Delta? Here are the steps on how to add TSA PreCheck to Delta: Go to the Delta website: https://www.delta.com/ and sign in to your account. Click on the "Profile" tab. Under "Personal Details", enter your TSA PreCheck Known Traveler Number (KTN) This user account status is Approved About About Blog Posts Blog Posts Blog Comments Blog Comments This user has not made any comments.