Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3957
SCHEDULED
Today
WN 3957 · SJU → TPA
departs 6:00 AM AT · arrives 8:08 AM ET
Your aircraft is N8329B (B738), coming in as WN 4663 from MCO: landed 1:18 AM AT.
Forecast issued Mon 2:00 AM ET · 3h before departure
Odds over time
Arrive at TPA more than 15 minutes late?
36%
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 TPA?
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On time or early
80%
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15–30 min late
14%
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30 min–1 hour late
2%
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1–2 hours late
2%
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Over 2 hours late
<1%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.