Originally Posted by
sbm12
Pretty sure most B6 flights are out of the A pier of the CTB now and that it does have a proper PreCheck lane. Some might still be out of the B pier which does not have real Pre but I'm not sure.
According to the Port Authority's official LGA site, all B6 flights now operate out of the CTB's Concourse A, which does have PreCheck, in theory.
The issue, of course, is what hours the PreCheck lane is actually open.