Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 720SCHEDULED · TYPICAL SCHEDULE
AS 720 · BUR → SEA
departs 10:10 AM PT · arrives 12:52 PM PT
Forecast issued Fri 6:00 AM ET · 55h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
30%chance · ±2 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
69%
15–30 min late
13%
30 min–1 hour late
12%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.