Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 648SCHEDULED · TYPICAL SCHEDULE
AS 648 · SEA → TUS
departs 10:19 AM PT · arrives 1:31 PM MT
Forecast issued Wed 7:00 PM ET · 66h before departure
Odds over time
Arrive at TUS more than 15 minutes late?
28%chance · ±2 pts−4 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to TUS?
On time or early
71%
15–30 min late
11%
30 min–1 hour late
13%
1–2 hours late
3%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.