Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

ALASKA · FLIGHT AS 1322 LANDED 8:37 PM PT, ~17 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AS 1322 · STS → SEA

took off 7:08 PM PT · landed 8:37 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 0h before departure

Odds over time

Arrive at SEA more than 15 minutes late?
50% chance · ±0 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 3.1d 2d 1d 12h 6h Departs Lands