How to add TSA PreCheck to Delta app?

Here's how you could potentially add TSA PreCheck to the Delta app:

Log In to Your Delta Account: Open the Delta app on your mobile device and login using your Delta SkyMiles account credentials. If you don't have the app installed, you can download it from your device's app store.

Access Profile or Account Settings: Navigate to your profile or account settings within the app. This is usually represented by an icon that looks like a person's silhouette or your name.

Travel Documents or TSA PreCheck: Look for a section related to "Travel Documents," "Security & Check-in," or specifically "TSA PreCheck." Different apps might have slightly different navigation, so you might need to explore the options a bit.

Add Known Traveler Number (KTN): In the relevant section, you should find an option to add your Known Traveler Number (KTN) associated with your TSA PreCheck enrollment. This number is typically 9 digits long and can be found on your TSA PreCheck approval letter or card.

Save Changes: After entering your KTN, make sure to save the changes or update your profile.

Verify PreCheck Status: Once you've added your KTN, your TSA PreCheck status should be associated with your Delta account. This means that when you book flights or check in through the Delta app, you should see indications that you have TSA PreCheck on your boarding pass.