OO5527
OO5527 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Appleton to Chicago. Of 364 departures recorded from October 2024 to March 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 364 flights
- Average delay14.1 min
- March 20266▼ 80.6%vs March 2025
- Cancelled2.8%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | – | – |
| February | 28 | 16 | ▼ 42.9% |
| March | 31 | 6 | ▼ 80.6% |
| April | 30 | – | – |
| May | 31 | – | – |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 28 | – | – |
| September | 21 | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.7% | – | – |
| February | 74.1% | 73.3% | ▼ 1.0% |
| March | 67.7% | 80.0% | ▲ 18.1% |
| April | 93.3% | – | – |
| May | 96.8% | – | – |
| June | 70.0% | – | – |
| July | 71.0% | – | – |
| August | 88.0% | – | – |
| September | 76.2% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | – | – |
| February | 1 | 1 | 0.0% |
| March | 0 | 1 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 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 97.3% 354
- Cancelled 2.7% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 22, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATW ORD Appleton International Airport – Chicago O'Hare International Airport | 258 | 14.4 min | 78.5% | 310 |
| ORD CHO Chicago O'Hare International Airport – Charlottesville Albemarle Airport | 910 | 7.0 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 29 | 28 | 71.4% | 1 |
| December 2024 | 31 | 29 | 75.9% | 2 |
| January 2025 | 31 | 30 | 76.7% | 1 |
| February 2025 | 28 | 27 | 74.1% | 1 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 28 | 25 | 88.0% | 3 |
| September 2025 | 21 | 21 | 76.2% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| February 2026 | 16 | 15 | 73.3% | 1 |
| March 2026 | 6 | 5 | 80.0% | 1 |