Flight profile · SkyWest Airlines
OO5861
Denver (DEN) to Colorado Springs (COS) · scheduled 6:00 PM – 7:03 PM
How OO5861 performs
1,001 operations, 2023-09-05 to 2026-06-30.
OO5861 arrived on time 72.6% of the time, against 76.0% for all DEN → COS flights — this specific departure is 3.4 percentage points worse than the route as a whole. Against SkyWest Airlines’s own flights on this route it is 5.0 points worse.
Source: US DOT Bureau of Transportation Statistics · 1,001 operations between 2023-09-05 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| OO5861 | 72.6% | 1.20% | -5 min | 12.5% | 1,001 |
| SkyWest Airlines on DEN → COS | 77.6% | 1.65% | -6 min | 9.3% | 9,483 |
| All DEN → COS flights | 76.0% | 1.32% | -5 min | 9.0% | 14,960 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-09-05 to 2026-06-30
By day of week
Does OO5861 run worse on particular days?
Tuesday is historically the most reliable day and Friday the least, a gap of 4.5 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · 2023-09-05 to 2026-06-30 · Days with fewer than 120 operations are not scored.
Other routes OO5861 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| TYS→DEN Knoxville/Maryville to Denver | 2025-12-02 – 2025-12-17 | 16 | — |
| EGE→DEN Eagle to Denver | 2023-07-01 – 2023-09-04 | 66 | — |
Because the same number has served different journeys, the statistics above describe only the route OO5861 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 1,001 records of OO5861 operating DEN → COS, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.