Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 339SCHEDULED · TYPICAL SCHEDULE
AS 339 · AUS → SEA
departs 7:07 PM CT · arrives 9:35 PM PT
Forecast issued Tue 6:00 PM ET · 50h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
45%chance · ±12 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SEA?
On time or early
54%
15–30 min late
11%
30 min–1 hour late
19%
1–2 hours late
10%
Over 2 hours late
4%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.