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 479
SCHEDULED · TYPICAL SCHEDULE
AS 479 · LAS → SEA
departs 7:22 AM PT · arrives 10:05 AM PT
Forecast issued Wed 11:00 AM ET · 47h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
31%
chance · ±2 pts
+3 pts · 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 SEA?
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On time or early
68%
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15–30 min late
14%
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30 min–1 hour late
12%
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1–2 hours late
3%
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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%.