Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4420
SCHEDULED
Today
WN 4420 · HOU → MAF
departs 8:33 PM CT · arrives 10:03 PM CT
Forecast issued Wed 4:00 AM ET · 18h before departure
Odds over time
Arrive at MAF more than 15 minutes late?
37%
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 MAF?
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On time or early
62%
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15–30 min late
15%
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30 min–1 hour late
12%
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1–2 hours late
7%
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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%.