Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3991
SCHEDULED
Today
WN 3991 · DAL → TPA
departs 2:33 PM CT · arrives 6:02 PM ET
Forecast issued Wed 5:00 AM ET · 11h before departure
Odds over time
Arrive at TPA more than 15 minutes late?
47%
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 TPA?
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On time or early
52%
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15–30 min late
23%
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30 min–1 hour late
7%
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1–2 hours late
10%
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Over 2 hours late
6%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.