Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4520
SCHEDULED
Today
WN 4520 · BWI → MIA
departs 5:54 PM ET · arrives 8:38 PM ET
Forecast issued Sat 11:00 AM ET · 7h before departure
Odds over time
Arrive at MIA more than 15 minutes late?
29%
chance · ±0 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 MIA?
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On time or early
71%
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15–30 min late
5%
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30 min–1 hour late
17%
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1–2 hours late
4%
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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%.