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 1389 LANDED 2:33 PM PT, ~11 MIN LATE · SCHEDULED TIME UNKNOWN
Today

AS 1389 · BUR → SEA

took off 12:23 PM PT · landed 2:33 PM PT (scheduled time unknown)
Forecast issued Wed 4:00 PM ET · 0h before departure

Odds over time

Arrive at SEA more than 15 minutes late?
33% 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% 1.0d 12h 6h Departs Lands