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 1639SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 1639 · SAN → TPA
departs 8:32 AM PT · arrives 4:29 PM ET
Forecast issued Wed 3:00 PM ET · 20h before departure
Odds over time
Arrive at TPA more than 15 minutes late?
44%chance · ±5 pts+13 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to TPA?
On time or early
55%
15–30 min late
22%
30 min–1 hour late
14%
1–2 hours late
5%
Over 2 hours late
3%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.