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 1380 LANDED 4:28 AM PT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AS 1380 · ANC → SEA

took off 12:31 AM AKT · landed 4:28 AM PT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 18h after departure

Odds over time

Arrive at SEA more than 15 minutes late?
14% chance · ±0 pts −3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 8h 6h Departs Lands