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 587
SCHEDULED · TYPICAL SCHEDULE
AS 587 · ORD → SEA
departs 8:02 AM CT · arrives 10:37 AM PT
Forecast issued Tue 4:00 PM ET · 65h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
44%
chance · ±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
55%
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15–30 min late
25%
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30 min–1 hour late
14%
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1–2 hours late
4%
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Over 2 hours late
2%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.