Do some prior research on whether your airline participates in TSA PreCheck so you won't be flustered when you get to security and have to wait in the general security line. Messaging the airline the day before will not help if they simply offer no option for you to input your KTN. And...
After the CLEAR lane you arrive at the TSA physical screening checkpoint. If you have PreCheck then you will go to the PreCheck screening section, if you do not then you'll go to the regular screening section. So you can see the benefit of having both PreCheck and CLEAR. Obviously CLEA...
The time saved by passengers not having to fumble with phone screens or search pockets for a paper boarding pass should increase the speed of screening and reduce the time spent standing in TSA lines. On a crowded day, this new system could save you 10-15 minutes of wait time. To help ...