Security incident at SeaTac Airport forces two runway closures Saturday

On June 14, 2025, a security incident at Seattle–Tacoma International Airport prompted the closure of two runways, disrupting airport operations. The Port of Seattle Police are conducting an investigation concerning an aircraft on runway 16R/34L, following a reported threat during taxiing that led to the evacuation of 68 passengers and four crew members from an Alaska Airlines flight. Officials confirmed a suspect is in custody as they continue to investigate the situation. While two runways were closed, one remained operational for limited flights, causing significant disruption for travelers. Airport authorities urged passengers to check with their airlines for flight updates.

A timeline released by the Port of Seattle indicated that operations would return to normal soon. The incident highlights ongoing security concerns at major airports. Ensuring passenger safety remains a priority for airport officials.