Tracked live by the FAA. The scheduled times shown are from a typical Wednesday because the FAA's flight plan was first seen after takeoff.
UNITED · FLIGHT UA 1147
SCHEDULED
Tomorrow
UA 1147 · IAD → SFO
departs 8:35 AM ET · arrives 11:19 AM PT
Forecast issued Tue 7:00 AM ET · 26h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
15%
chance · ±3 pts
+0 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 SFO?
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On time or early
85%
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15–30 min late
8%
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30 min–1 hour late
2%
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1–2 hours late
2%
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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%.