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 277SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 277 · PHL → SEA
departs 7:33 AM ET · arrives 10:32 AM PT
Forecast issued Sat 9:00 PM ET · 11h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
38%chance · ±0 pts+19 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
62%
15–30 min late
29%
30 min–1 hour late
2%
1–2 hours late
5%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.