Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 580SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 580 · BUR → SEA
departs 1:21 PM PT · arrives 4:03 PM PT
Forecast issued Fri 6:00 PM ET · 22h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
21%chance · ±3 pts−4 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to SEA?
On time or early
78%
15–30 min late
13%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.