Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 277
SCHEDULED
Today
WN 277 · ATL → STL
departs 6:44 AM ET · arrives 7:32 AM CT
Your aircraft is N937WN (B737), coming in as WN 2006 from HOU: landed 11:30 PM ET.
Forecast issued Tue 3:00 AM ET · 4h before departure
Odds over time
Arrive at STL more than 15 minutes late?
2%
chance · ±0 pts
+0 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 STL?
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On time or early
98%
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15–30 min late
<1%
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30 min–1 hour late
1%
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1–2 hours late
<1%
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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%.