Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 633
SCHEDULED · TYPICAL SCHEDULE
AS 633 · SEA → SIT
departs 11:35 AM PT · arrives 1:10 PM AKDT
Forecast issued Tue 9:00 PM ET · 66h before departure
Odds over time
Arrive at SIT more than 15 minutes late?
33%
chance · ±0 pts
−1 pt · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
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How late will it get to SIT?
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On time or early
66%
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15–30 min late
13%
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30 min–1 hour late
14%
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1–2 hours late
5%
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Over 2 hours late
1%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.