How to add TSA PreCheck to existing Delta flight?

How to add TSA PreCheck to existing Delta flight? 

To add TSA PreCheck to an existing Delta flight, you can do the following:

1. Go to the Delta website and sign in to your SkyMiles account.
2. Click on the "My Trips" tab.
3. Find the flight that you want to add TSA PreCheck to.
4. Under the "Passengers" section, click on the "Edit Passenger" button for the passenger that you want to add TSA PreCheck to.
5. In the "Known Traveler/Trusted Traveler" field, enter the passenger's TSA PreCheck Known Traveler Number (KTN).
6. Click on the "Save" button.

It may take up to 36-48 hours for your TSA PreCheck number to be added to your reservation. Once it has been added, you will see the "TSA PRECHK" indicator on your boarding pass.

To add TSA PreCheck to an existing Delta flight, you can do the following:

1. Go to the Delta website and sign in to your SkyMiles account.
2. Click on the "My Trips" tab.
3. Find the flight that you want to add TSA PreCheck to.
4. Under the "Passengers" section, click on the "Edit Passenger" button for the passenger that you want to add TSA PreCheck to.
5. In the "Known Traveler/Trusted Traveler" field, enter the passenger's TSA PreCheck Known Traveler Number (KTN).
6. Click on the "Save" button.

It may take up to 36-48 hours for your TSA PreCheck number to be added to your reservation. Once it has been added, you will see the "TSA PRECHK" indicator on your boarding pass.