Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3811
SCHEDULED
Today
WN 3811 · SJC → LAS
departs 2:33 PM PT · arrives 4:07 PM PT
Forecast issued Fri 12:00 PM ET · 6h before departure
Odds over time
Arrive at LAS more than 15 minutes late?
53%
chance · ±0 pts
+18 pts · 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 LAS?
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On time or early
47%
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15–30 min late
25%
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30 min–1 hour late
10%
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1–2 hours late
13%
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Over 2 hours late
5%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.