Schedule: FAA flight plans.
UNITED · FLIGHT UA 879
IN THE AIR (OFF 10:18 AM GMT, SEEN BY ADS-B, ETA 3:18 PM CT)
Today
UA 879 · LHR → IAH
took off 10:18 AM GMT · expected to land 3:18 PM CT (scheduled 9:59 AM GMT → 3:22 PM CT)
Forecast issued Tue 7:00 AM ET · 1h after departure
Odds over time
Arrive at IAH more than 15 minutes late?
16%
chance · ±0 pts
+8 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to IAH?
LIVE
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On time or early
84%
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15–30 min late
16%
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30 min–1 hour late
<1%
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1–2 hours late
0%
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Over 2 hours late
0%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.