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 1382 LANDED 12:26 AM PT, ~3 MIN LATE · SCHEDULED TIME UNKNOWN

AS 1382 · SEA → GEG

took off 11:50 PM PT · landed 12:26 AM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 19h after departure

Odds over time

Arrive at GEG more than 15 minutes late?
21% chance · ±0 pts −16 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 2h Departs