OO4659
OO4659 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Appleton to Chicago. Of 609 departures recorded from October 2024 to July 2026, 82.9% left on time, according to the US BTS.
- On-time departures82.9%of 609 flights
- Average delay13.2 min
- July 202613▼ 58.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number21
according to the US BTS · Oct 12, 2024 → Jul 29, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 22 | 31 | ▲ 40.9% |
| April | 30 | 30 | 0.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 29 | 26 | ▼ 10.3% |
| July | 31 | 13 | ▼ 58.1% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 201 | 188 | ▼ 6.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 90.3% | 62.1% | ▼ 31.3% |
| February | 85.7% | 76.9% | ▼ 10.3% |
| March | 95.2% | 72.4% | ▼ 24.0% |
| April | 93.3% | 100.0% | ▲ 7.1% |
| May | 83.3% | 100.0% | ▲ 20.0% |
| June | 75.9% | 69.2% | ▼ 8.7% |
| July | 74.2% | 100.0% | ▲ 34.8% |
| August | 71.0% | – | – |
| September | 96.7% | – | – |
| October | 87.1% | – | in progress |
| November | 86.2% | – | – |
| December | 65.5% | – | – |
| Year-to-date average (Jan–Jul) | 85.4% | 82.9% | ▼ 2.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| 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) | 1 | 4 | ▲ 300.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.0% 603
- Cancelled 1.0% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATW ORD Appleton International Airport – Chicago O'Hare International Airport | 258 | 31.2 min | 71.1% | 133 |
| IAH CRP George Bush Intercontinental Airport – Corpus Christi International Airport | 324 | 2.7 min | 86.8% | 68 |
| IAH BTR George Bush Intercontinental Airport – Baton Rouge Metropolitan Airport | 407 | 19.7 min | 72.2% | 54 |
| SFO RNO San Francisco International Airport – Reno Tahoe International Airport | 308 | 1.7 min | 90.4% | 53 |
| BZN DEN Bozeman Yellowstone International Airport – Denver International Airport | 844 | -6.9 min | 100.0% | 53 |
| BIH DEN Eastern Sierra Regional Airport – Denver International Airport | 1,220 | 4.1 min | 83.8% | 37 |
| COS IAH City of Colorado Springs Municipal Airport – George Bush Intercontinental Airport | 1,302 | 19.4 min | 80.6% | 36 |
| DEN BHM Denver International Airport – Birmingham-Shuttlesworth International Airport | 1,740 | 23.0 min | 77.1% | 35 |
| CID ORD The Eastern Iowa Airport – Chicago O'Hare International Airport | 315 | 11.3 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 21 | 21 | 71.4% | 0 |
| December 2024 | 29 | 29 | 86.2% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 22 | 21 | 95.2% | 1 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 30 | 30 | 83.3% | 0 |
| June 2025 | 29 | 29 | 75.9% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 31 | 31 | 71.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 29 | 86.2% | 1 |
| December 2025 | 29 | 29 | 65.5% | 0 |
| January 2026 | 31 | 29 | 62.1% | 2 |
| February 2026 | 26 | 26 | 76.9% | 0 |
| March 2026 | 31 | 29 | 72.4% | 2 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 26 | 26 | 69.2% | 0 |
| July 2026 | 13 | 13 | 100.0% | 0 |