Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4570
LANDED 12:57 AM PT, ~60 MIN LATE
WN 4570 · LAS → ONT
took off 12:25 AM PT · landed 12:57 AM PT (scheduled 10:53 PM PT → 12:02 AM PT)
Forecast issued Fri 10:00 PM ET · 4h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
Late
chance · ±0 pts
– · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late did it get to ONT?
RESOLVED
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On time or early
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15–30 min late
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30 min–1 hour late
✓
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1–2 hours late
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Over 2 hours late
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Gate arrival compared with the scheduled arrival. The ranges add up to 100%.