OO4777
OO4777 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Des Moines to Denver. Of 630 departures recorded from October 2024 to July 2026, 86.7% left on time, according to the US BTS.
- On-time departures86.7%of 630 flights
- Average delay12.6 min
- July 202631▲ 19.2%vs July 2025
- Cancelled1.3%
- Legs flown under this number10
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 | 31 | 0.0% |
| February | 28 | 26 | ▼ 7.1% |
| March | 31 | 29 | ▼ 6.5% |
| April | 30 | 30 | 0.0% |
| May | 13 | 31 | ▲ 138.5% |
| June | 29 | 30 | ▲ 3.4% |
| July | 26 | 31 | ▲ 19.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 188 | 208 | ▲ 10.6% |
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 | 85.7% | 87.1% | ▲ 1.6% |
| February | 85.7% | 96.0% | ▲ 12.0% |
| March | 76.7% | 88.9% | ▲ 15.9% |
| April | 90.0% | 100.0% | ▲ 11.1% |
| May | 84.6% | 93.6% | ▲ 10.6% |
| June | 86.2% | 83.3% | ▼ 3.3% |
| July | 88.5% | 77.4% | ▼ 12.5% |
| August | 100.0% | – | – |
| September | 83.3% | – | – |
| October | 93.6% | – | in progress |
| November | 96.6% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 85.3% | 89.5% | ▲ 4.8% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 98.7% 622
- Cancelled 1.3% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DSM DEN Des Moines International Airport – Denver International Airport | 947 | 17.0 min | 90.4% | 274 |
| ORD BNA Chicago O'Hare International Airport – Nashville International Airport | 660 | 14.6 min | 79.7% | 117 |
| SFO SNA San Francisco International Airport – John Wayne Orange County International Airport | 598 | 3.8 min | 89.7% | 68 |
| SFO RNO San Francisco International Airport – Reno Tahoe International Airport | 308 | 7.5 min | 86.2% | 65 |
| CRP IAH Corpus Christi International Airport – George Bush Intercontinental Airport | 324 | 12.6 min | 73.0% | 37 |
| DRO DEN Durango La Plata County Airport – Denver International Airport | 403 | 11.2 min | 90.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 30 | 30 | 73.3% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 31 | 28 | 85.7% | 3 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 30 | 76.7% | 1 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 13 | 13 | 84.6% | 0 |
| June 2025 | 29 | 29 | 86.2% | 0 |
| July 2025 | 26 | 26 | 88.5% | 0 |
| August 2025 | 31 | 31 | 100.0% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 29 | 96.6% | 1 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 26 | 25 | 96.0% | 1 |
| March 2026 | 29 | 27 | 88.9% | 2 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 77.4% | 0 |