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 508 LANDED 10:58 PM PT, ~23 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

AS 508 · SNA → PDX

took off 8:52 PM PT · landed 10:58 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h before departure

Odds over time

Arrive at PDX more than 15 minutes late?
11% chance · ±1 pts +0 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Now Departs Lands