# How to Add TSA PreCheck to Delta App in Markdown Language
If you’re a frequent traveler, then applying for TSA PreCheck can save you a great deal of time at the airport. TSA PreCheck allows you to move through security checkpoints more quickly and easily. Delta offers its customers the option to add TSA PreCheck to their reservations using the Delta mobile app or website. In this article, we’ll discuss how to add TSA PreCheck to Delta app in Markdown language, a simplified language used for writing online.
## Step 1: Open the Delta Mobile App
The first step to adding TSA PreCheck to your Delta app is to open the app on your mobile device.
## Step 2: Select “Profile”
Once you have opened the Delta app, locate and select the “Profile” button at the bottom of the home screen.
## Step 3: Enter Your Information
From your Profile, enter your personal information in the fields provided. Make sure to include your name, date of birth, and government-issued ID information.
## Step 4: Navigate to “Travel Documents”
After you have entered your personal information, navigate to “Travel Documents” on the app.
## Step 5: Enter Your Known Traveler Number
Once you are on the “Travel Documents” page, you will see the option to enter your Known Traveler Number (KTN). This is the unique number you received when applying for TSA PreCheck. Enter your KTN in the space provided and click “Save” to confirm your selection.
## Step 6: Check Your Reservation
After you have entered your KTN, check your Delta reservations to ensure that TSA PreCheck has been added to your account. You should see a symbol indicating that you have TSA PreCheck for your upcoming flight.
By following these simple steps, you can add TSA PreCheck to your Delta app and streamline your travel experience.
Remember, always check TSA guidelines and requirements to ensure a smooth and successful security screening.
Happy and stress-free travels!