OO4979
OO4979 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Dallas-Fort Worth to Provo. Of 737 departures recorded from November 2024 to July 2026, 71.5% left on time, according to the US BTS.
- On-time departures71.5%of 737 flights
- Average delay23.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number8
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 | 31 | 48 | ▲ 54.8% |
| February | 28 | 32 | ▲ 14.3% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 30 | – | – |
| September | 32 | – | – |
| October | 56 | – | in progress |
| November | 59 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 212 | 233 | ▲ 9.9% |
according to the US BTS · November 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 | 83.3% | 70.8% | ▼ 15.0% |
| February | 71.4% | 61.3% | ▼ 14.2% |
| March | 50.0% | 83.9% | ▲ 67.7% |
| April | 75.9% | 83.3% | ▲ 9.8% |
| May | 43.3% | 71.0% | ▲ 63.8% |
| June | 58.6% | 83.3% | ▲ 42.2% |
| July | 69.0% | 83.9% | ▲ 21.6% |
| August | 76.7% | – | – |
| September | 78.1% | – | – |
| October | 58.9% | – | in progress |
| November | 77.2% | – | – |
| December | 86.4% | – | – |
| Year-to-date average (Jan–Jul) | 64.5% | 76.8% | ▲ 19.0% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 1 | ▼ 85.7% |
according to the US BTS · November 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 98.5% 726
- Cancelled 1.5% 11
Share of all recorded flights in the period, all legs. · Nov 5, 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 PVU Dallas Fort Worth International Airport – Provo Municipal Airport | 1,541 | 33.2 min | 64.0% | 272 |
| PHX FLG Phoenix Sky Harbor International Airport – Flagstaff Pulliam Airport | 192 | 17.5 min | 78.6% | 146 |
| FLG PHX Flagstaff Pulliam Airport – Phoenix Sky Harbor International Airport | 192 | 22.6 min | 75.2% | 131 |
| LAX AUS Los Angeles International Airport – Austin Bergstrom International Airport | 1,995 | 4.9 min | 81.9% | 72 |
| ORD BNA Chicago O'Hare International Airport – Nashville International Airport | 660 | 10.2 min | 78.3% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 25 | 25 | 52.0% | 0 |
| December 2024 | 31 | 30 | 70.0% | 1 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 31 | 30 | 50.0% | 1 |
| April 2025 | 30 | 29 | 75.9% | 1 |
| May 2025 | 31 | 30 | 43.3% | 1 |
| June 2025 | 30 | 29 | 58.6% | 1 |
| July 2025 | 31 | 29 | 69.0% | 2 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 32 | 32 | 78.1% | 0 |
| October 2025 | 56 | 56 | 58.9% | 0 |
| November 2025 | 59 | 57 | 77.2% | 2 |
| December 2025 | 59 | 59 | 86.4% | 0 |
| January 2026 | 48 | 48 | 70.8% | 0 |
| February 2026 | 32 | 31 | 61.3% | 1 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |