Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SKYWEST · FLIGHT OO 5861
SCHEDULED · TYPICAL SCHEDULE
Thursday, October 1 Tomorrow
OO 5861 · DEN → COS
departs 5:55 PM MT · arrives 6:54 PM MT
Forecast issued Wed 9:00 AM ET · 35h before departure
Watch this flight
Other days
Today 58%
Thu 10/1
Fri 10/2 30%
Sat 10/3 26%
Sun 10/4 29%
Mon 10/5 28%
Tue 10/6 22%
Odds over time
Arrive at COS more than 15 minutes late?
27%
chance · ±4 pts
−3 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
27%
Leave 15+ late
34%
Arrive 1h+ late
9%
Cancelled
1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
2.9d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at COS more than 15 minutes late?
Calm-weather odds: 18% · changed −3 pts in 24h
−3 pts
27%
Yes 27%
No 73%
Leave DEN more than 15 minutes late?
Calm-weather odds: 27% · changed −3 pts in 24h
−3 pts
34%
Yes 34%
No 66%
Arrive at COS more than an hour late?
Calm-weather odds: 6% · changed −4 pts in 24h
−4 pts
9%
Yes 9%
No 91%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
1%
Yes 1%
No 99%
How late will it get to COS?
On time or early
72%
15–30 min late
6%
30 min–1 hour late
12%
1–2 hours late
7%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
5pm departures from DEN are often late
↑
Later flights pick up delays from earlier in the day
↑
This flight has been late 31% of the time recently
↓
Mostly benign weather forecast at DEN
↓
COS usually runs smoothly
Weather at each end
DEN (origin)
Gusts 21 kt Ceiling 7,000 ft Visibility 10+ mi Precip none
COS (destination)
Gusts 36 kt Ceiling 2,700 ft Visibility 7 mi Precip 0.20 in
How this resolves
Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.
Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.