How Do You Add TSA PreCheck to United Airlines?

Hello, my name is Bruno, and a common question is How Do You Add TSA PreCheck to United Airlines? It is a quick and easy way to speed up airport security. Once you have received your Known Traveler Number from the TSA, enter it into your United MileagePlus profile. Additionally, you have the option to manually enter a flight while making a reservation or altering an existing one. For qualified passengers, TSA PreCheck speeds up the screening procedure without asking them to take off their computers, belts, or shoes. United guarantees a seamless travel experience by identifying your PreCheck status, which saves you time and prevents you from having to wait in line.