OO4773
OO4773 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest Chicago to Detroit. Of 632 departures recorded from October 2024 to July 2026, 80.2% left on time, according to the US BTS.
- On-time departures80.2%of 632 flights
- Average delay12.6 min
- July 202622▼ 29.0%vs July 2025
- Cancelled2.4%
- Legs flown under this number13
according to the US BTS · Oct 12, 2024 → Jul 31, 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 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 30 | 27 | ▼ 10.0% |
| June | 29 | 21 | ▼ 27.6% |
| July | 31 | 22 | ▼ 29.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 190 | ▼ 9.5% |
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 | 80.7% | 75.0% | ▼ 7.0% |
| February | 84.0% | 78.6% | ▼ 6.5% |
| March | 93.6% | 86.2% | ▼ 7.8% |
| April | 82.8% | 89.7% | ▲ 8.3% |
| May | 80.0% | 85.2% | ▲ 6.5% |
| June | 76.9% | 65.0% | ▼ 15.5% |
| July | 71.0% | 54.6% | ▼ 23.1% |
| August | 90.3% | – | – |
| September | 86.7% | – | – |
| October | 83.9% | – | in progress |
| November | 92.9% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 81.3% | 76.3% | ▼ 6.1% |
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 | 3 | – |
| February | 3 | 0 | ▼ 100.0% |
| March | 0 | 2 | – |
| April | 1 | 1 | 0.0% |
| May | 0 | 0 | – |
| June | 3 | 1 | ▼ 66.7% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 7 | 0.0% |
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 97.6% 617
- Cancelled 2.4% 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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD DTW Chicago O'Hare International Airport – Detroit Metropolitan Wayne County Airport | 376 | 12.6 min | 79.9% | 295 |
| IAH MKE George Bush Intercontinental Airport – General Mitchell International Airport | 1,586 | 5.4 min | 79.6% | 54 |
| DEN CID Denver International Airport – The Eastern Iowa Airport | 1,112 | 36.2 min | 61.2% | 50 |
| IAH SHV George Bush Intercontinental Airport – Shreveport Regional Airport | 309 | 3.5 min | 86.5% | 37 |
| DEN GEG Denver International Airport – Spokane International Airport | 1,343 | -1.4 min | 91.4% | 36 |
| MSO ORD Missoula Montana Airport – Chicago O'Hare International Airport | 2,139 | 23.5 min | 80.7% | 31 |
| GRB ORD Austin Straubel International Airport – Chicago O'Hare International Airport | 279 | 2.3 min | 93.3% | 31 |
| CRP IAH Corpus Christi International Airport – George Bush Intercontinental Airport | 324 | 22.0 min | 77.8% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 28 | 25 | 84.0% | 3 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 29 | 82.8% | 1 |
| May 2025 | 30 | 30 | 80.0% | 0 |
| June 2025 | 29 | 26 | 76.9% | 3 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 28 | 92.9% | 1 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 31 | 28 | 75.0% | 3 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 31 | 29 | 86.2% | 2 |
| April 2026 | 30 | 29 | 89.7% | 1 |
| May 2026 | 27 | 27 | 85.2% | 0 |
| June 2026 | 21 | 20 | 65.0% | 1 |
| July 2026 | 22 | 22 | 54.6% | 0 |