OO5138
OO5138 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Chicago to Morgantown. Of 506 departures recorded from December 2024 to July 2026, 68.2% left on time, according to the US BTS.
- On-time departures68.2%of 506 flights
- Average delay37.3 min
- July 202623▼ 25.8%vs July 2025
- Cancelled6.1%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | 31 | ▲ 34.8% |
| February | 20 | 28 | ▲ 40.0% |
| March | 21 | 31 | ▲ 47.6% |
| April | – | 22 | – |
| May | 24 | 22 | ▼ 8.3% |
| June | 48 | 21 | ▼ 56.3% |
| July | 31 | 23 | ▼ 25.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · December 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 77.3% | 54.6% | ▼ 29.4% |
| February | 94.7% | 71.4% | ▼ 24.6% |
| March | 76.2% | 80.0% | ▲ 5.0% |
| April | – | 68.2% | – |
| May | 52.4% | 80.0% | ▲ 52.7% |
| June | 37.0% | 66.7% | ▲ 80.4% |
| July | 53.6% | 81.8% | ▲ 52.7% |
| August | 64.5% | – | – |
| September | 70.0% | – | – |
| October | 67.7% | – | in progress |
| November | 88.0% | – | – |
| December | 70.4% | – | – |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 9 | ▲ 800.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | – | 0 | – |
| May | 3 | 2 | ▼ 33.3% |
| June | 2 | 0 | ▼ 100.0% |
| July | 3 | 1 | ▼ 66.7% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 4 | – | – |
according to the US BTS · December 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 93.9% 475
- Cancelled 6.1% 31
Share of all recorded flights in the period, all legs. · Dec 19, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MGW Chicago O'Hare International Airport – Morgantown Municipal Airport Walter L. (Bill) Hart Field | 720 | 38.3 min | 69.6% | 351 |
| DDC DEN Dodge City Regional Airport – Denver International Airport | 470 | 31.4 min | 68.4% | 80 |
| DEN RKS Denver International Airport – Southwest Wyoming Regional Airport | 417 | 80.6 min | 40.6% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 9 | 9 | 88.9% | 0 |
| January 2025 | 23 | 22 | 77.3% | 1 |
| February 2025 | 20 | 19 | 94.7% | 1 |
| March 2025 | 21 | 21 | 76.2% | 0 |
| May 2025 | 24 | 21 | 52.4% | 3 |
| June 2025 | 48 | 46 | 37.0% | 2 |
| July 2025 | 31 | 28 | 53.6% | 3 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 30 | 30 | 70.0% | 0 |
| October 2025 | 31 | 31 | 67.7% | 0 |
| November 2025 | 29 | 25 | 88.0% | 4 |
| December 2025 | 31 | 27 | 70.4% | 4 |
| January 2026 | 31 | 22 | 54.6% | 9 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 22 | 22 | 68.2% | 0 |
| May 2026 | 22 | 20 | 80.0% | 2 |
| June 2026 | 21 | 21 | 66.7% | 0 |
| July 2026 | 23 | 22 | 81.8% | 1 |