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 464 LANDED 6:58 AM ET, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Today

AS 464 · SEA → ATL

took off 11:52 PM PT · landed 6:58 AM ET (scheduled time unknown)
Forecast issued Wed 12:00 PM ET · 9h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
22% chance · ±0 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% 2h Departs Lands