Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3663
SCHEDULED
Today
WN 3663 · SMF → SAN
departs 5:31 PM PT · arrives 7:14 PM PT
Forecast issued Sun 12:00 PM ET · 8h before departure
Odds over time
Arrive at SAN more than 15 minutes late?
46%
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 SAN?
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On time or early
54%
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15–30 min late
23%
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30 min–1 hour late
14%
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1–2 hours late
7%
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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%.