OO4942
OO4942 (SkyWest Airlines) is a multi-stop service on 17 routes, busiest Chicago to Sioux Falls. Of 718 departures recorded from October 2024 to July 2026, 72.5% left on time, according to the US BTS.
- On-time departures72.5%of 718 flights
- Average delay25.2 min
- July 202631▲ 3.3%vs July 2025
- Cancelled4.3%
- 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 | 27 | 25 | ▼ 7.4% |
| February | 28 | 28 | 0.0% |
| March | 55 | 31 | ▼ 43.6% |
| April | 49 | 54 | ▲ 10.2% |
| May | 32 | 51 | ▲ 59.4% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 27 | – | – |
| December | 16 | – | – |
| Year to date (Jan–Jul) | 251 | 250 | ▼ 0.4% |
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 | 96.3% | 66.7% | ▼ 30.8% |
| February | 75.0% | 50.0% | ▼ 33.3% |
| March | 71.7% | 67.9% | ▼ 5.4% |
| April | 68.1% | 90.2% | ▲ 32.5% |
| May | 92.9% | 85.1% | ▼ 8.3% |
| June | 43.3% | 60.7% | ▲ 40.1% |
| July | 53.6% | 62.1% | ▲ 15.9% |
| August | 65.5% | – | – |
| September | 96.6% | – | – |
| October | 74.2% | – | in progress |
| November | 69.6% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–Jul) | 71.6% | 68.9% | ▼ 3.6% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 2 | 3 | ▲ 50.0% |
| April | 2 | 3 | ▲ 50.0% |
| May | 4 | 4 | 0.0% |
| June | 0 | 2 | – |
| July | 2 | 2 | 0.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 15 | ▲ 50.0% |
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 95.7% 687
- Cancelled 4.3% 31
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 31 | 30 | 66.7% | 1 |
| December 2024 | 36 | 36 | 69.4% | 0 |
| January 2025 | 27 | 27 | 96.3% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 55 | 53 | 71.7% | 2 |
| April 2025 | 49 | 47 | 68.1% | 2 |
| May 2025 | 32 | 28 | 92.9% | 4 |
| June 2025 | 30 | 30 | 43.3% | 0 |
| July 2025 | 30 | 28 | 53.6% | 2 |
| August 2025 | 29 | 29 | 65.5% | 0 |
| September 2025 | 30 | 29 | 96.6% | 1 |
| October 2025 | 31 | 31 | 74.2% | 0 |
| November 2025 | 27 | 23 | 69.6% | 4 |
| December 2025 | 16 | 16 | 81.3% | 0 |
| January 2026 | 25 | 24 | 66.7% | 1 |
| February 2026 | 28 | 28 | 50.0% | 0 |
| March 2026 | 31 | 28 | 67.9% | 3 |
| April 2026 | 54 | 51 | 90.2% | 3 |
| May 2026 | 51 | 47 | 85.1% | 4 |
| June 2026 | 30 | 28 | 60.7% | 2 |
| July 2026 | 31 | 29 | 62.1% | 2 |