Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4221
SCHEDULED
Today
WN 4221 · TPA → PIT
departs 12:45 PM ET · arrives 3:16 PM ET
Forecast issued Sun 9:00 AM ET · 4h before departure
Odds over time
Arrive at PIT more than 15 minutes late?
23%
chance · ±0 pts
+5 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 PIT?
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On time or early
78%
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15–30 min late
11%
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30 min–1 hour late
7%
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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%.