Originally Posted by
niele
I'm wondering from your post, eponymous_coward, that if you don't have TSA Precheck but do have a first class ticket you get to go through a different, faster security line at SEA?
There are premium security lines that status and First Class passengers can use. They are usually, but not always, faster than the regular security lines. You still have to take off your coat and shoes and pull your laptop and liquids in the premium lines.