OO4059
OO4059 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Detroit to Green Bay. Of 1,115 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 1,115 flights
- Average delay14.4 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number4
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 | 52 | 61 | ▲ 17.3% |
| February | 18 | 54 | ▲ 200.0% |
| March | 46 | 62 | ▲ 34.8% |
| April | 14 | 60 | ▲ 328.6% |
| May | 52 | 62 | ▲ 19.2% |
| June | 58 | 58 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 56 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 302 | 419 | ▲ 38.7% |
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 | 71.2% | 67.2% | ▼ 5.5% |
| February | 77.8% | 75.9% | ▼ 2.4% |
| March | 87.0% | 63.8% | ▼ 26.6% |
| April | 85.7% | 76.7% | ▼ 10.5% |
| May | 90.4% | 85.5% | ▼ 5.4% |
| June | 72.4% | 98.3% | ▲ 35.7% |
| July | 91.9% | 83.9% | ▼ 8.8% |
| August | 90.3% | – | – |
| September | 90.0% | – | – |
| October | 91.1% | – | in progress |
| November | 91.7% | – | – |
| December | 56.5% | – | – |
| Year-to-date average (Jan–Jul) | 82.3% | 78.7% | ▼ 4.4% |
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 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 8 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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% 1,100
- Cancelled 1.3% 15
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GRB DTW Austin Straubel International Airport – Detroit Metropolitan Wayne County Airport | 461 | 17.5 min | 79.4% | 385 |
| DTW GRB Detroit Metropolitan Wayne County Airport – Austin Straubel International Airport | 461 | 16.9 min | 79.8% | 385 |
| DTW TVC Detroit Metropolitan Wayne County Airport – Cherry Capital Airport | 334 | 7.7 min | 87.0% | 174 |
| TVC DTW Cherry Capital Airport – Detroit Metropolitan Wayne County Airport | 334 | 8.4 min | 87.4% | 171 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 38 | 38 | 92.1% | 0 |
| November 2024 | 60 | 60 | 73.3% | 0 |
| December 2024 | 36 | 36 | 77.8% | 0 |
| January 2025 | 52 | 52 | 71.2% | 0 |
| February 2025 | 18 | 18 | 77.8% | 0 |
| March 2025 | 46 | 46 | 87.0% | 0 |
| April 2025 | 14 | 14 | 85.7% | 0 |
| May 2025 | 52 | 52 | 90.4% | 0 |
| June 2025 | 58 | 58 | 72.4% | 0 |
| July 2025 | 62 | 62 | 91.9% | 0 |
| August 2025 | 62 | 62 | 90.3% | 0 |
| September 2025 | 60 | 60 | 90.0% | 0 |
| October 2025 | 56 | 56 | 91.1% | 0 |
| November 2025 | 56 | 48 | 91.7% | 8 |
| December 2025 | 26 | 23 | 56.5% | 3 |
| January 2026 | 61 | 61 | 67.2% | 0 |
| February 2026 | 54 | 54 | 75.9% | 0 |
| March 2026 | 62 | 58 | 63.8% | 4 |
| April 2026 | 60 | 60 | 76.7% | 0 |
| May 2026 | 62 | 62 | 85.5% | 0 |
| June 2026 | 58 | 58 | 98.3% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |