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 331 LANDED 4:15 PM PT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AS 331 · FAI → SEA

took off 12:14 PM AKT · landed 4:15 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at SEA more than 15 minutes late?
25% chance · ±0 pts −5 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% 1.1d 12h 6h Departs Lands