Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3700
SCHEDULED
Today
WN 3700 · DCA → STL
departs 12:36 PM ET · arrives 2:00 PM CT
Forecast issued Sun 10:00 AM ET · 3h before departure
Odds over time
Arrive at STL more than 15 minutes late?
23%
chance · ±0 pts
−3 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to STL?
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On time or early
80%
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15–30 min late
6%
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30 min–1 hour late
9%
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1–2 hours late
3%
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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%.