Schedule: FAA flight plans.
UNITED · FLIGHT UA 639
SCHEDULED
Today
UA 639 · BOS → LAX
departs 6:26 PM ET · arrives 9:51 PM PT
Your aircraft is N34131 (B752), coming in as UA 2647 from SFO: landed 4:26 PM ET.
Forecast issued Thu 4:00 PM ET · 2h before departure
Odds over time
Arrive at LAX more than 15 minutes late?
42%
chance · ±0 pts
+1 pt · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to LAX?
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On time or early
58%
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15–30 min late
16%
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30 min–1 hour late
20%
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1–2 hours late
3%
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Over 2 hours late
3%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.