Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4857
SCHEDULED
Today
WN 4857 · LAS → CMH
departs 4:11 PM PT · arrives 11:00 PM ET
Forecast issued Tue 4:00 PM ET · 3h before departure
Odds over time
Arrive at CMH more than 15 minutes late?
41%
chance · ±2 pts
−2 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 CMH?
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On time or early
58%
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15–30 min late
13%
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30 min–1 hour late
16%
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1–2 hours late
8%
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Over 2 hours late
4%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.