OO4748
OO4748 (SkyWest Airlines) is a multi-stop service on 17 routes, busiest Chicago to Appleton. Of 613 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 613 flights
- Average delay18.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.5%
- Legs flown under this number17
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 | 27 | ▼ 12.9% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 24 | ▼ 22.6% |
| June | 30 | 14 | ▼ 53.3% |
| July | 31 | 31 | 0.0% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 212 | 185 | ▼ 12.7% |
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 | 87.1% | 85.2% | ▼ 2.2% |
| February | 85.2% | 81.5% | ▼ 4.4% |
| March | 66.7% | 80.0% | ▲ 20.0% |
| April | 72.4% | 86.7% | ▲ 19.7% |
| May | 71.0% | 91.7% | ▲ 29.2% |
| June | 43.3% | 78.6% | ▲ 81.3% |
| July | 63.3% | 73.3% | ▲ 15.8% |
| August | 72.0% | – | – |
| September | 89.7% | – | – |
| October | 90.3% | – | in progress |
| November | 71.4% | – | – |
| December | 55.6% | – | – |
| Year-to-date average (Jan–Jul) | 69.9% | 82.4% | ▲ 18.0% |
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 | 1 | 1 | 0.0% |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 3 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 97.6% 598
- 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD ATW Chicago O'Hare International Airport – Appleton International Airport | 258 | 19.8 min | 70.9% | 307 |
| ORD MLI Chicago O'Hare International Airport – Quad City International Airport | 224 | 19.7 min | 77.6% | 49 |
| SMF LAX Sacramento International Airport – Los Angeles International Airport | 600 | 15.4 min | 91.9% | 37 |
| MKE ORD General Mitchell International Airport – Chicago O'Hare International Airport | 108 | 38.7 min | 69.4% | 37 |
| LNK ORD Lincoln Airport – Chicago O'Hare International Airport | 749 | 30.9 min | 74.3% | 36 |
| DTW ORD Detroit Metropolitan Wayne County Airport – Chicago O'Hare International Airport | 376 | 20.8 min | 90.6% | 34 |
| DEN OMA Denver International Airport – Eppley Airfield | 758 | 3.2 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 29 | 28 | 71.4% | 1 |
| December 2024 | 31 | 29 | 79.3% | 2 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 27 | 85.2% | 1 |
| March 2025 | 31 | 30 | 66.7% | 1 |
| April 2025 | 30 | 29 | 72.4% | 1 |
| May 2025 | 31 | 31 | 71.0% | 0 |
| June 2025 | 30 | 30 | 43.3% | 0 |
| July 2025 | 31 | 30 | 63.3% | 1 |
| August 2025 | 28 | 25 | 72.0% | 3 |
| September 2025 | 30 | 29 | 89.7% | 1 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 29 | 28 | 71.4% | 1 |
| December 2025 | 18 | 18 | 55.6% | 0 |
| January 2026 | 27 | 27 | 85.2% | 0 |
| February 2026 | 28 | 27 | 81.5% | 1 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 24 | 24 | 91.7% | 0 |
| June 2026 | 14 | 14 | 78.6% | 0 |
| July 2026 | 31 | 30 | 73.3% | 1 |