OO4173
OO4173 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Detroit to Freeland. Of 675 departures recorded from October 2024 to July 2026, 80.3% left on time, according to the US BTS.
- On-time departures80.3%of 675 flights
- Average delay14.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.6%
- 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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 54 | ▲ 74.2% |
| April | 30 | 40 | ▲ 33.3% |
| May | 31 | 18 | ▼ 41.9% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 231 | ▲ 9.0% |
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 | 76.7% | 61.3% | ▼ 20.1% |
| February | 71.4% | 73.1% | ▲ 2.3% |
| March | 93.1% | 55.8% | ▼ 40.1% |
| April | 89.7% | 95.0% | ▲ 6.0% |
| May | 90.3% | 77.8% | ▼ 13.9% |
| June | 76.7% | 75.9% | ▼ 1.1% |
| July | 64.5% | 67.7% | ▲ 5.0% |
| August | 87.1% | – | – |
| September | 96.7% | – | – |
| October | 93.6% | – | in progress |
| November | 85.7% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.3% | 72.4% | ▼ 9.9% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 2 | – |
| March | 2 | 2 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 4 | 0.0% |
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 98.4% 664
- Cancelled 1.6% 11
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW MBS Detroit Metropolitan Wayne County Airport – MBS International Airport | 158 | 13.6 min | 81.7% | 582 |
| MSP BIS Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Bismarck Municipal Airport | 620 | 24.8 min | 65.7% | 36 |
| BIS MSP Bismarck Municipal Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 620 | 28.2 min | 65.7% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 30 | 80.0% | 1 |
| January 2025 | 31 | 30 | 76.7% | 1 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 31 | 29 | 93.1% | 2 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 29 | 28 | 85.7% | 1 |
| December 2025 | 31 | 30 | 80.0% | 1 |
| January 2026 | 31 | 31 | 61.3% | 0 |
| February 2026 | 28 | 26 | 73.1% | 2 |
| March 2026 | 54 | 52 | 55.8% | 2 |
| April 2026 | 40 | 40 | 95.0% | 0 |
| May 2026 | 18 | 18 | 77.8% | 0 |
| June 2026 | 29 | 29 | 75.9% | 0 |
| July 2026 | 31 | 31 | 67.7% | 0 |