OO4790
OO4790 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Des Moines to Denver. Of 540 departures recorded from October 2024 to July 2026, 84.6% left on time, according to the US BTS.
- On-time departures84.6%of 540 flights
- Average delay20.3 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.4%
- Legs flown under this number21
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 31 | ▲ 19.2% |
| February | 28 | 27 | ▼ 3.6% |
| March | 31 | 33 | ▲ 6.5% |
| April | 30 | 30 | 0.0% |
| May | 2 | 31 | ▲ 1,450.0% |
| June | 5 | 30 | ▲ 500.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 152 | 213 | ▲ 40.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
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 | 76.9% | 79.3% | ▲ 3.1% |
| February | 67.9% | 100.0% | ▲ 47.4% |
| March | 73.3% | 84.9% | ▲ 15.7% |
| April | 93.3% | 78.6% | ▼ 15.8% |
| May | 100.0% | 96.6% | ▼ 3.5% |
| June | 100.0% | 96.7% | ▼ 3.3% |
| July | 86.7% | 96.8% | ▲ 11.7% |
| August | 96.8% | – | – |
| September | 100.0% | – | – |
| October | 96.8% | – | in progress |
| November | 76.9% | – | – |
| December | 48.3% | – | – |
| Year-to-date average (Jan–Jul) | 85.4% | 90.4% | ▲ 5.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 2 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 7 | ▲ 600.0% |
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 97.6% 527
- Cancelled 2.4% 13
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DSM DEN Des Moines International Airport – Denver International Airport | 947 | 7.1 min | 95.3% | 150 |
| CLT ORD Charlotte Douglas International Airport – Chicago O'Hare International Airport | 965 | 6.0 min | 91.3% | 108 |
| DEN DRO Denver International Airport – Durango La Plata County Airport | 403 | -2.0 min | 97.2% | 72 |
| CHO ORD Charlottesville Albemarle Airport – Chicago O'Hare International Airport | 910 | 49.2 min | 70.2% | 52 |
| ORD FNT Chicago O'Hare International Airport – Bishop International Airport | 359 | 21.1 min | 70.3% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| December 2024 | 17 | 17 | 47.1% | 0 |
| January 2025 | 26 | 26 | 76.9% | 0 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 31 | 30 | 73.3% | 1 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 2 | 2 | 100.0% | 0 |
| June 2025 | 5 | 5 | 100.0% | 0 |
| July 2025 | 30 | 30 | 86.7% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 26 | 76.9% | 3 |
| December 2025 | 31 | 29 | 48.3% | 2 |
| January 2026 | 31 | 29 | 79.3% | 2 |
| February 2026 | 27 | 26 | 100.0% | 1 |
| March 2026 | 33 | 33 | 84.9% | 0 |
| April 2026 | 30 | 28 | 78.6% | 2 |
| May 2026 | 31 | 29 | 96.6% | 2 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |