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 1303 LANDED 8:37 PM PT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AS 1303 · SEA → SJC

took off 6:56 PM PT · landed 8:37 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 0h before departure

Odds over time

Arrive at SJC more than 15 minutes late?
34% chance · ±1 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% 1h Now Departs Lands