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 853
SCHEDULED
Tomorrow
UA 853 · SFO → TPE
departs 12:01 AM PT · arrives 4:38 AM CST
Forecast issued Tue 2:00 AM ET · 25h before departure
Odds over time
Arrive at TPE more than 15 minutes late?
8%
chance · ±1 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 TPE?
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On time or early
91%
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15–30 min late
0%
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30 min–1 hour late
5%
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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%.