Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4921
SCHEDULED
Today
WN 4921 · SMF → SAN
departs 9:05 PM PT · arrives 10:49 PM PT
Forecast issued Sun 5:00 AM ET · 19h before departure
Odds over time
Arrive at SAN more than 15 minutes late?
46%
chance · ±4 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
53%
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15–30 min late
24%
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30 min–1 hour late
11%
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1–2 hours late
8%
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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%.