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 1791
PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME)
UA 1791 · SFO → IAD
took off 1:58 PM PT · probably landed (not confirmed) (scheduled 1:15 PM PT → 9:25 PM ET)
Forecast issued Wed 10:00 PM ET · 6h after departure
Odds over time
Arrive at IAD more than 15 minutes late?
27%
chance · ±0 pts
+1 pt · 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 IAD?
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On time or early
72%
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15–30 min late
16%
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30 min–1 hour late
6%
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1–2 hours late
4%
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Over 2 hours late
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.