Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 663
SCHEDULED
Today
WN 663 · BOI → SMF
departs 2:45 PM MT · arrives 3:29 PM PT
Forecast issued Sun 9:00 AM ET · 8h before departure
Odds over time
Arrive at SMF more than 15 minutes late?
17%
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 SMF?
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On time or early
83%
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15–30 min late
5%
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30 min–1 hour late
8%
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1–2 hours late
2%
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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%.