OO5987
OO5987 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Chicago to Appleton. Of 233 departures recorded from October 2024 to May 2026, 72.4% left on time, according to the US BTS.
- On-time departures72.4%of 233 flights
- Average delay23.4 min
- May 202619▲ 111.1%vs May 2025
- Cancelled5.2%
- Legs flown under this number7
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 | – | 5 | – |
| February | – | 17 | – |
| March | 23 | 31 | ▲ 34.8% |
| April | – | 30 | – |
| May | 9 | 19 | ▲ 111.1% |
| June | 20 | – | – |
| July | 9 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → May 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 | – | 80.0% | – |
| February | – | 76.5% | – |
| March | 87.0% | 50.0% | ▼ 42.5% |
| April | – | 52.0% | – |
| May | 88.9% | 55.6% | ▼ 37.5% |
| June | 80.0% | – | – |
| July | 88.9% | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 83.3% | – | in progress |
| November | 96.6% | – | – |
| December | 64.3% | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 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 | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 5 | – |
| April | – | 5 | – |
| May | 0 | 1 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → May 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 94.8% 221
- Cancelled 5.2% 12
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → May 19, 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 |
|---|---|---|---|---|
| ORD ATW Chicago O'Hare International Airport – Appleton International Airport | 258 | 41.2 min | 56.3% | 115 |
| DEN MCI Denver International Airport – Kansas City International Airport | 855 | 2.8 min | 90.2% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 60.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 20 | 20 | 80.0% | 0 |
| July 2025 | 9 | 9 | 88.9% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 29 | 28 | 64.3% | 1 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 17 | 17 | 76.5% | 0 |
| March 2026 | 31 | 26 | 50.0% | 5 |
| April 2026 | 30 | 25 | 52.0% | 5 |
| May 2026 | 19 | 18 | 55.6% | 1 |