Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4137
SCHEDULED
Today
WN 4137 · SAN → SJC
departs 8:12 PM PT · arrives 9:41 PM PT
Forecast issued Wed 6:00 AM ET · 17h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
28%
chance · ±3 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 SJC?
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On time or early
72%
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15–30 min late
14%
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30 min–1 hour late
8%
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1–2 hours late
5%
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Over 2 hours late
<1%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.