Tracked live by the FAA. The scheduled times shown are from a typical Tuesday because the FAA's flight plan was first seen after takeoff.
UNITED · FLIGHT UA 1231
DELAYED: NOW PLANNED TO TAKE OFF 8:03 AM CT (25 MIN LATER THAN FIRST FILED)
Tomorrow
UA 1231 · ORD → IAH
departs 7:35 AM CT · arrives 10:36 AM CT
Forecast issued Mon 7:00 AM ET · 26h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
31%
chance · ±0 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 IAH?
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On time or early
88%
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15–30 min late
6%
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30 min–1 hour late
1%
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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%.