Forgot to add your TSA PreCheck? Here’s how to fix it the fastest

Here’s how to fix a missing TSA PreCheck indicator, plus 3 insider tips you probably didn’t know about TSA PreCheck.

Forgetting to add your Known Traveler Number (KTN) to your reservation happens more often than you think. If you’ve ever found yourself frantically Googling “how to add KTN after check-in,” don’t worry—I’ve got you covered today.

Also, I’m dropping a few TSA PreCheck gems you probably didn’t know. No “On My Radar” today so let’s get straight into it.