Most checkpoints use federal TSA screeners, who must work without pay during shutdowns. Nearly two dozen, however, use private contractors, which keeps lines moving.

A partial shutdown affecting the Transportation Security Administration is causing long airport lines and flight delays ...

The U.S. government remains partially shutdown. If you're flying and have TSA PreCheck access, make sure all of your information is good to go.

Images of seemingly endless waits at security checkpoints have spread online, but the reality of the partial government ...