OO4660
OO4660 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Denver to Colorado Springs. Of 655 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 655 flights
- Average delay25.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 211 | ▼ 0.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 61.3% | 96.7% | ▲ 57.7% |
| February | 78.6% | 96.4% | ▲ 22.7% |
| March | 71.0% | 90.0% | ▲ 26.8% |
| April | 53.3% | 96.7% | ▲ 81.3% |
| May | 45.2% | 96.8% | ▲ 114.3% |
| June | 41.4% | 96.7% | ▲ 133.6% |
| July | 40.7% | 93.6% | ▲ 129.6% |
| August | 35.5% | – | – |
| September | 51.7% | – | – |
| October | 77.4% | – | in progress |
| November | 85.7% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 55.9% | 95.3% | ▲ 70.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 4 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 1 | ▼ 80.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.8% 647
- Cancelled 1.2% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN COS Denver International Airport – City of Colorado Springs Municipal Airport | 117 | 37.3 min | 62.5% | 442 |
| HLN DEN Helena Regional Airport – Denver International Airport | 955 | 0.3 min | 95.2% | 207 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 29 | 72.4% | 1 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 61.3% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 30 | 53.3% | 0 |
| May 2025 | 31 | 31 | 45.2% | 0 |
| June 2025 | 30 | 29 | 41.4% | 1 |
| July 2025 | 31 | 27 | 40.7% | 4 |
| August 2025 | 31 | 31 | 35.5% | 0 |
| September 2025 | 29 | 29 | 51.7% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 28 | 85.7% | 1 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 30 | 30 | 96.7% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 30 | 90.0% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |