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

Each of the current checkpoints at Seattle-Tacoma International Airport will be renumbered Thursday, April 17. Here's a guide ...

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

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