OO4038
OO4038 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Salt Lake City to Billings. Of 1,128 departures recorded from October 2024 to July 2026, 94.7% left on time, according to the US BTS.
- On-time departures94.7%of 1,128 flights
- Average delay-1.5 min
- July 202662▲ 34.8%vs July 2025
- Cancelled0.4%
- Legs flown under this number4
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 | 62 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 50 | 60 | ▲ 20.0% |
| July | 46 | 62 | ▲ 34.8% |
| August | 40 | – | – |
| September | 34 | – | – |
| October | 46 | – | in progress |
| November | – | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jul) | 398 | 424 | ▲ 6.5% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 95.2% | 96.8% | ▲ 1.7% |
| February | 96.3% | 94.6% | ▼ 1.7% |
| March | 100.0% | 96.7% | ▼ 3.3% |
| April | 96.7% | 100.0% | ▲ 3.4% |
| May | 100.0% | 96.8% | ▼ 3.2% |
| June | 94.0% | 91.7% | ▼ 2.5% |
| July | 73.9% | 96.8% | ▲ 30.9% |
| August | 85.0% | – | – |
| September | 100.0% | – | – |
| October | 93.5% | – | in progress |
| November | – | – | – |
| December | 87.5% | – | – |
| Year-to-date average (Jan–Jul) | 93.7% | 96.2% | ▲ 2.6% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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% 1,124
- Cancelled 0.4% 4
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC BIL Salt Lake City International Airport – Billings Logan International Airport | 624 | -3.2 min | 96.5% | 463 |
| BIL SLC Billings Logan International Airport – Salt Lake City International Airport | 624 | -4.2 min | 95.7% | 463 |
| IAD DTW Washington Dulles International Airport – Detroit Metropolitan Wayne County Airport | 616 | 11.9 min | 88.1% | 101 |
| DTW IAD Detroit Metropolitan Wayne County Airport – Washington Dulles International Airport | 616 | 5.0 min | 88.1% | 101 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 95.0% | 0 |
| November 2024 | 60 | 60 | 98.3% | 0 |
| December 2024 | 62 | 62 | 88.7% | 0 |
| January 2025 | 62 | 62 | 95.2% | 0 |
| February 2025 | 56 | 54 | 96.3% | 2 |
| March 2025 | 62 | 62 | 100.0% | 0 |
| April 2025 | 60 | 60 | 96.7% | 0 |
| May 2025 | 62 | 62 | 100.0% | 0 |
| June 2025 | 50 | 50 | 94.0% | 0 |
| July 2025 | 46 | 46 | 73.9% | 0 |
| August 2025 | 40 | 40 | 85.0% | 0 |
| September 2025 | 34 | 34 | 100.0% | 0 |
| October 2025 | 46 | 46 | 93.5% | 0 |
| December 2025 | 24 | 24 | 87.5% | 0 |
| January 2026 | 62 | 62 | 96.8% | 0 |
| February 2026 | 56 | 56 | 94.6% | 0 |
| March 2026 | 62 | 60 | 96.7% | 2 |
| April 2026 | 60 | 60 | 100.0% | 0 |
| May 2026 | 62 | 62 | 96.8% | 0 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 62 | 62 | 96.8% | 0 |