OO3858
OO3858 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Detroit to Chicago. Of 728 departures recorded from October 2024 to July 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 728 flights
- Average delay11.6 min
- July 202631▲ 14.8%vs July 2025
- Cancelled1.2%
- Legs flown under this number8
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 | 62 | 31 | ▼ 50.0% |
| February | 56 | 28 | ▼ 50.0% |
| March | 62 | 31 | ▼ 50.0% |
| April | 60 | 14 | ▼ 76.7% |
| May | 37 | 26 | ▼ 29.7% |
| June | 28 | 30 | ▲ 7.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 8 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 332 | 191 | ▼ 42.5% |
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 | 64.5% | 67.9% | ▲ 5.2% |
| February | 87.5% | 61.5% | ▼ 29.7% |
| March | 64.5% | 63.0% | ▼ 2.4% |
| April | 90.0% | 92.9% | ▲ 3.2% |
| May | 86.5% | 88.5% | ▲ 2.3% |
| June | 89.3% | 90.0% | ▲ 0.8% |
| July | 66.7% | 96.8% | ▲ 45.1% |
| August | 90.3% | – | – |
| September | 90.0% | – | – |
| October | 96.8% | – | in progress |
| November | 87.5% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 78.4% | 80.1% | ▲ 2.1% |
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 | 3 | – |
| February | 0 | 2 | – |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 9 |
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% 719
- Cancelled 1.2% 9
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 |
|---|---|---|---|---|
| DTW MDW Detroit Metropolitan Wayne County Airport – Chicago Midway International Airport | 367 | 7.9 min | 86.1% | 387 |
| MDW DTW Chicago Midway International Airport – Detroit Metropolitan Wayne County Airport | 367 | 13.2 min | 74.1% | 139 |
| DTW PVD Detroit Metropolitan Wayne County Airport – Rhode Island T. F. Green International Airport | 987 | 35.1 min | 67.4% | 98 |
| ELM DTW Elmira Corning Regional Airport – Detroit Metropolitan Wayne County Airport | 532 | 3.5 min | 93.0% | 86 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 44 | 44 | 86.4% | 0 |
| January 2025 | 62 | 62 | 64.5% | 0 |
| February 2025 | 56 | 56 | 87.5% | 0 |
| March 2025 | 62 | 62 | 64.5% | 0 |
| April 2025 | 60 | 60 | 90.0% | 0 |
| May 2025 | 37 | 37 | 86.5% | 0 |
| June 2025 | 28 | 28 | 89.3% | 0 |
| July 2025 | 27 | 27 | 66.7% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 8 | 8 | 87.5% | 0 |
| December 2025 | 11 | 11 | 100.0% | 0 |
| January 2026 | 31 | 28 | 67.9% | 3 |
| February 2026 | 28 | 26 | 61.5% | 2 |
| March 2026 | 31 | 27 | 63.0% | 4 |
| April 2026 | 14 | 14 | 92.9% | 0 |
| May 2026 | 26 | 26 | 88.5% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |