OO4975
OO4975 (SkyWest Airlines) is a multi-stop service on 12 routes, busiest Dallas-Fort Worth to San Angelo. Of 969 departures recorded from October 2024 to July 2026, 73.9% left on time, according to the US BTS.
- On-time departures73.9%of 969 flights
- Average delay18.8 min
- July 202660▼ 1.6%vs July 2025
- Cancelled3.5%
- Legs flown under this number12
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 | 9 | 60 | ▲ 566.7% |
| February | 18 | 46 | ▲ 155.6% |
| March | 31 | 62 | ▲ 100.0% |
| April | 22 | 36 | ▲ 63.6% |
| May | 23 | 41 | ▲ 78.3% |
| June | 54 | 60 | ▲ 11.1% |
| July | 61 | 60 | ▼ 1.6% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 61 | – | in progress |
| November | 57 | – | – |
| December | 60 | – | – |
| Year to date (Jan–Jul) | 218 | 365 | ▲ 67.4% |
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 | 44.4% | 78.9% | ▲ 77.4% |
| February | 72.2% | 68.9% | ▼ 4.6% |
| March | 74.2% | 73.3% | ▼ 1.2% |
| April | 86.4% | 91.7% | ▲ 6.1% |
| May | 82.6% | 82.9% | ▲ 0.4% |
| June | 51.0% | 78.3% | ▲ 53.6% |
| July | 73.7% | 53.3% | ▼ 27.6% |
| August | 74.6% | – | – |
| September | 86.0% | – | – |
| October | 68.4% | – | in progress |
| November | 84.3% | – | – |
| December | 78.3% | – | – |
| Year-to-date average (Jan–Jul) | 69.2% | 75.3% | ▲ 8.8% |
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 | 8 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 4 | 0 | ▼ 100.0% |
| August | 3 | – | – |
| September | 3 | – | – |
| October | 4 | – | in progress |
| November | 6 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 11 | ▲ 57.1% |
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 96.5% 935
- Cancelled 3.5% 34
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 |
|---|---|---|---|---|
| DFW SJT Dallas Fort Worth International Airport – San Angelo Regional Mathis Field | 368 | 12.3 min | 73.5% | 299 |
| SJT DFW San Angelo Regional Mathis Field – Dallas Fort Worth International Airport | 368 | 15.0 min | 75.0% | 294 |
| LAX TUS Los Angeles International Airport – Tucson International Airport | 725 | 24.3 min | 84.1% | 138 |
| PHX DRO Phoenix Sky Harbor International Airport – Durango La Plata County Airport | 565 | 18.4 min | 73.2% | 71 |
| DRO PHX Durango La Plata County Airport – Phoenix Sky Harbor International Airport | 565 | 42.1 min | 58.6% | 70 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 76.5% | 0 |
| November 2024 | 23 | 23 | 78.3% | 0 |
| December 2024 | 29 | 29 | 58.6% | 0 |
| January 2025 | 9 | 9 | 44.4% | 0 |
| February 2025 | 18 | 18 | 72.2% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 22 | 22 | 86.4% | 0 |
| May 2025 | 23 | 23 | 82.6% | 0 |
| June 2025 | 54 | 51 | 51.0% | 3 |
| July 2025 | 61 | 57 | 73.7% | 4 |
| August 2025 | 62 | 59 | 74.6% | 3 |
| September 2025 | 60 | 57 | 86.0% | 3 |
| October 2025 | 61 | 57 | 68.4% | 4 |
| November 2025 | 57 | 51 | 84.3% | 6 |
| December 2025 | 60 | 60 | 78.3% | 0 |
| January 2026 | 60 | 52 | 78.9% | 8 |
| February 2026 | 46 | 45 | 68.9% | 1 |
| March 2026 | 62 | 60 | 73.3% | 2 |
| April 2026 | 36 | 36 | 91.7% | 0 |
| May 2026 | 41 | 41 | 82.9% | 0 |
| June 2026 | 60 | 60 | 78.3% | 0 |
| July 2026 | 60 | 60 | 53.3% | 0 |