Originally Posted by
cheltzel
When I checked in to my ORD-IST flight 3 days ago (at the ORD T5 check in counter), I was given a pre check boarding pass. I was never asked for my KTN. Actually I forgot all about it until I sway my paper boarding pass.
Guess this has nothing to do with the KTN. Maybe you received TSApre on a random basis, are a senior or....