Schedule: FAA flight plans.
UNITED · FLIGHT UA 552
DELAYED: NOW PLANNED TO TAKE OFF 9:50 PM PT (19 MIN LATER THAN FIRST FILED)
Today
UA 552 · SFO → ONT
departs 9:00 PM PT · arrives 10:37 PM PT
Forecast issued Thu 5:00 AM ET · 19h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
76%
chance · ±0 pts
– · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
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How late will it get to ONT?
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On time or early
74%
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15–30 min late
8%
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30 min–1 hour late
8%
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1–2 hours late
7%
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Over 2 hours late
3%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.