Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3657
SCHEDULED
Tomorrow
WN 3657 · MDW → SEA
departs 10:06 AM CT · arrives 12:36 PM PT
Forecast issued Sat 9:00 PM ET · 14h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
18%
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 SEA?
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On time or early
82%
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15–30 min late
11%
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30 min–1 hour late
4%
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1–2 hours late
2%
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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%.