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 360 LANDED 7:55 AM PT, ~18 MIN LATE · SCHEDULED TIME UNKNOWN

AS 360 · GEG → SEA

took off 7:10 AM PT · landed 7:55 AM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 12h after departure

Odds over time

Arrive at SEA more than 15 minutes late?
28% chance · ±0 pts +7 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 19h 12h 6h Departs