Alaska Airlines flights in, out of Seattle delayed, canceled after IT outage
Hundreds of flights cancelled after Alaska Airlines ground stop
More than 400 flights were delayed or canceled at Seattle-Tacoma International Airport (Sea-Tac) today following a system-wide ground stop caused by an IT outage at Alaska Airlines.
SEATAC, Wash. - Dozens of Alaska Airlines flights into and out of Seattle-Tacoma International Airport continued to be delayed or canceled Monday morning after all flights were briefly grounded Sunday night due to an IT outage.
The airline requested a temporary, system-wide ground stop for Alaska Airlines and Horizon Air flights around 8 p.m. Sunday.
Sea-Tac airport on June 14, 2025
The ground stop was lifted and Alaska's operations resumed around 11 p.m. Sunday.
"As we reposition our aircraft and crews, there will most likely be residual impacts to our flights. It will take some time to get our overall operations back to normal," an airline official told FOX 13 Seattle.
As 11:45 a.m. Monday, Alaska Airlines had 64 canceled flights into and out of Sea-Tac Airport and 137 delays. Horizon had four canceled and one delayed flight.
The Source: Information in this story came from Alaska Airlines and FlightAware.
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