Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4143
SCHEDULED
Today
WN 4143 · STL → DEN
departs 4:44 PM CT · arrives 6:07 PM MT
Your aircraft is N8952Q (B38M), coming in as WN 1941 from FLL: landed 4:39 PM CT.
Forecast issued Fri 7:00 PM ET · 1h after departure
Odds over time
Arrive at DEN more than 15 minutes late?
100%
chance · ±0 pts
+0 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to DEN?
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On time or early
72%
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15–30 min late
17%
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30 min–1 hour late
8%
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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%.