Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 819
SCHEDULED
Today
WN 819 · BOS → STL
departs 6:46 PM ET · arrives 8:54 PM CT
Forecast issued Sun 3:00 AM ET · 16h before departure
Odds over time
Arrive at STL more than 15 minutes late?
65%
chance · ±2 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 STL?
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On time or early
35%
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15–30 min late
9%
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30 min–1 hour late
23%
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1–2 hours late
28%
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Over 2 hours late
4%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.