Schedule: FAA flight plans.
UNITED · FLIGHT UA 838
IN THE AIR (OFF 5:51 PM JST, SEEN BY ADS-B, ETA 10:23 AM PT)
Today
UA 838 · NRT → SFO
took off 5:51 PM JST · expected to land 10:23 AM PT (scheduled 4:55 PM JST → 10:01 AM PT)
Forecast issued Tue 4:00 AM ET · 0h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
92%
chance · ±0 pts
+18 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 SFO?
LIVE
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On time or early
8%
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15–30 min late
46%
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30 min–1 hour late
46%
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1–2 hours late
<1%
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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.