Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3931
SCHEDULED
Today
WN 3931 · SLC → LAX
departs 4:28 PM MT · arrives 5:34 PM PT
Forecast issued Mon 4:00 AM ET · 14h before departure
Odds over time
Arrive at LAX more than 15 minutes late?
54%
chance · ±12 pts
−10 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
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How late will it get to LAX?
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On time or early
46%
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15–30 min late
26%
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30 min–1 hour late
10%
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1–2 hours late
12%
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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%.