OO5234
OO5234 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Chicago to Milwaukee. Of 680 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 680 flights
- Average delay16.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.9%
- Legs flown under this number10
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 | 27 | ▼ 3.6% |
| March | 31 | 31 | 0.0% |
| April | 30 | 31 | ▲ 3.3% |
| May | 31 | 50 | ▲ 61.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 36 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| 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 | 50.0% | 70.0% | ▲ 40.0% |
| February | 59.3% | 74.1% | ▲ 25.0% |
| March | 54.8% | 66.7% | ▲ 21.6% |
| April | 79.3% | 85.7% | ▲ 8.1% |
| May | 93.6% | 90.0% | ▼ 3.8% |
| June | 96.7% | 82.8% | ▼ 14.4% |
| July | 66.7% | 76.7% | ▲ 15.0% |
| August | 77.4% | – | – |
| September | 90.0% | – | – |
| October | 86.1% | – | in progress |
| November | 88.5% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 71.5% | 78.0% | ▲ 9.1% |
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 | 1 | 1 | 0.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 4 | – |
| April | 1 | 3 | ▲ 200.0% |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 10 | ▲ 150.0% |
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 97.1% 660
- Cancelled 2.9% 20
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 |
|---|---|---|---|---|
| ORD MKE Chicago O'Hare International Airport – General Mitchell International Airport | 108 | 17.6 min | 75.2% | 517 |
| ORD FNT Chicago O'Hare International Airport – Bishop International Airport | 359 | 5.3 min | 80.6% | 37 |
| MKE ORD General Mitchell International Airport – Chicago O'Hare International Airport | 108 | 19.8 min | 77.4% | 32 |
| GRB ORD Austin Straubel International Airport – Chicago O'Hare International Airport | 279 | 17.0 min | 82.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 73.7% | 0 |
| November 2024 | 30 | 30 | 63.3% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 30 | 50.0% | 1 |
| February 2025 | 28 | 27 | 59.3% | 1 |
| March 2025 | 31 | 31 | 54.8% | 0 |
| April 2025 | 30 | 29 | 79.3% | 1 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 30 | 66.7% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 36 | 36 | 86.1% | 0 |
| November 2025 | 30 | 26 | 88.5% | 4 |
| December 2025 | 30 | 28 | 71.4% | 2 |
| January 2026 | 31 | 30 | 70.0% | 1 |
| February 2026 | 27 | 27 | 74.1% | 0 |
| March 2026 | 31 | 27 | 66.7% | 4 |
| April 2026 | 31 | 28 | 85.7% | 3 |
| May 2026 | 50 | 50 | 90.0% | 0 |
| June 2026 | 30 | 29 | 82.8% | 1 |
| July 2026 | 31 | 30 | 76.7% | 1 |