OO4139
OO4139 (SkyWest Airlines) is a multi-stop service on 17 routes, busiest Minneapolis to Rapid City. Of 521 departures recorded from October 2024 to July 2026, 80.9% left on time, according to the US BTS.
- On-time departures80.9%of 521 flights
- Average delay13.6 min
- July 202631▼ 40.4%vs July 2025
- Cancelled0.4%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 23 | ▲ 91.7% |
| February | 13 | 40 | ▲ 207.7% |
| March | – | 36 | – |
| April | 4 | 44 | ▲ 1,000.0% |
| May | 52 | 23 | ▼ 55.8% |
| June | 56 | 24 | ▼ 57.1% |
| July | 52 | 31 | ▼ 40.4% |
| August | 41 | – | – |
| September | 9 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → July 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 66.7% | ▼ 20.0% |
| February | 92.3% | 65.0% | ▼ 29.6% |
| March | – | 88.9% | – |
| April | 75.0% | 72.7% | ▼ 3.0% |
| May | 67.3% | 87.0% | ▲ 29.2% |
| June | 83.9% | 95.8% | ▲ 14.2% |
| July | 90.4% | 87.1% | ▼ 3.6% |
| August | 78.1% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 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 99.6% 519
- Cancelled 0.4% 2
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RAP MSP Rapid City Regional Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 786 | 10.2 min | 80.8% | 120 |
| MSP RAP Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Rapid City Regional Airport | 786 | 8.4 min | 81.7% | 120 |
| EUG SEA Eugene Airport – Seattle–Tacoma International Airport | 376 | 2.4 min | 90.9% | 55 |
| LAX ABQ Los Angeles International Airport – Albuquerque International Sunport | 1,088 | 1.1 min | 88.9% | 36 |
| MSP GRB Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Austin Straubel International Airport | 405 | 5.7 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 77.5% | 0 |
| November 2024 | 20 | 20 | 100.0% | 0 |
| January 2025 | 12 | 12 | 83.3% | 0 |
| February 2025 | 13 | 13 | 92.3% | 0 |
| April 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 52 | 52 | 67.3% | 0 |
| June 2025 | 56 | 56 | 83.9% | 0 |
| July 2025 | 52 | 52 | 90.4% | 0 |
| August 2025 | 41 | 41 | 78.1% | 0 |
| September 2025 | 9 | 9 | 100.0% | 0 |
| December 2025 | 1 | 1 | 0.0% | 0 |
| January 2026 | 23 | 21 | 66.7% | 2 |
| February 2026 | 40 | 40 | 65.0% | 0 |
| March 2026 | 36 | 36 | 88.9% | 0 |
| April 2026 | 44 | 44 | 72.7% | 0 |
| May 2026 | 23 | 23 | 87.0% | 0 |
| June 2026 | 24 | 24 | 95.8% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |