Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3727
SCHEDULED
Today
WN 3727 · SEA → SJC
departs 9:10 PM PT · arrives 11:26 PM PT
Forecast issued Sun 3:00 PM ET · 9h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
56%
chance · ±0 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
44%
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15–30 min late
29%
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30 min–1 hour late
4%
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1–2 hours late
20%
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Over 2 hours late
2%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.