Tracked live by the FAA. The scheduled times shown are from a typical Tuesday because the FAA's flight plan was first seen after takeoff.
SOUTHWEST · FLIGHT WN 139
SCHEDULED
Today
WN 139 · PHX → COS
departs 7:02 PM MT · arrives 9:43 PM MT
Forecast issued Tue 3:00 AM ET · 19h before departure
Odds over time
Arrive at COS more than 15 minutes late?
27%
chance · ±2 pts
+7 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 COS?
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On time or early
72%
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15–30 min late
13%
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30 min–1 hour late
6%
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1–2 hours late
6%
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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%.