Schedule: FAA flight plans.
ALASKA · FLIGHT AS 571
SCHEDULED
Today
AS 571 · SEA → ONT
departs 11:29 AM PT · arrives 1:59 PM PT
Forecast issued Wed 11:00 AM ET · 4h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
33%
chance · ±0 pts
+10 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to ONT?
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On time or early
67%
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15–30 min late
20%
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30 min–1 hour late
10%
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1–2 hours late
2%
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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%.