There are now six security checkpoints at the airport, though only four of them are in operation. The re-numbering is needed ...

Passengers will notice new signs at the Seattle-Tacoma International (Sea-Tac) Airport on Thursday. All the security ...

Overnight, crews at Seattle-Tacoma International Airport are reworking the security checkpoint system. Here's the changes you ...

Around 12,000 Sea-Tac Airport travelers could run into issues on May 7 if they haven't updated their identification.

U.S. residents must present a REAL ID-compliant form of identification during security screenings to board domestic flights.