Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3556
SCHEDULED
Today
WN 3556 · SFO → MDW
departs 11:37 PM PT · arrives 5:42 AM CT
Forecast issued Wed 11:00 AM ET · 16h before departure
Odds over time
Arrive at MDW more than 15 minutes late?
30%
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 MDW?
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On time or early
70%
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15–30 min late
12%
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30 min–1 hour late
12%
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1–2 hours late
4%
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Over 2 hours late
<1%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.