OO4904
OO4904 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Phoenix to Houston. Of 606 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 606 flights
- Average delay24.4 min
- July 202631▲ 342.9%vs July 2025
- Cancelled2.0%
- Legs flown under this number21
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 | 8 | 36 | ▲ 350.0% |
| February | 19 | 11 | ▼ 42.1% |
| March | 31 | 48 | ▲ 54.8% |
| April | 57 | 60 | ▲ 5.3% |
| May | 34 | 51 | ▲ 50.0% |
| June | 12 | 30 | ▲ 150.0% |
| July | 7 | 31 | ▲ 342.9% |
| August | 27 | – | – |
| September | 9 | – | – |
| October | 27 | – | in progress |
| November | 29 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 168 | 267 | ▲ 58.9% |
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 | 100.0% | 61.1% | ▼ 38.9% |
| February | 83.3% | 54.6% | ▼ 34.5% |
| March | 64.5% | 65.9% | ▲ 2.2% |
| April | 89.5% | 78.3% | ▼ 12.5% |
| May | 78.1% | 94.1% | ▲ 20.5% |
| June | 58.3% | 72.4% | ▲ 24.1% |
| July | 57.1% | 69.0% | ▲ 20.7% |
| August | 81.5% | – | – |
| September | 100.0% | – | – |
| October | 81.5% | – | in progress |
| November | 92.9% | – | – |
| December | 80.8% | – | – |
| Year-to-date average (Jan–Jul) | 75.8% | 70.8% | ▼ 6.7% |
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 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 7 | ▲ 133.3% |
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 98.0% 594
- Cancelled 2.0% 12
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 27 | 27 | 92.6% | 0 |
| December 2024 | 16 | 16 | 93.8% | 0 |
| January 2025 | 8 | 8 | 100.0% | 0 |
| February 2025 | 19 | 18 | 83.3% | 1 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 57 | 57 | 89.5% | 0 |
| May 2025 | 34 | 32 | 78.1% | 2 |
| June 2025 | 12 | 12 | 58.3% | 0 |
| July 2025 | 7 | 7 | 57.1% | 0 |
| August 2025 | 27 | 27 | 81.5% | 0 |
| September 2025 | 9 | 9 | 100.0% | 0 |
| October 2025 | 27 | 27 | 81.5% | 0 |
| November 2025 | 29 | 28 | 92.9% | 1 |
| December 2025 | 27 | 26 | 80.8% | 1 |
| January 2026 | 36 | 36 | 61.1% | 0 |
| February 2026 | 11 | 11 | 54.6% | 0 |
| March 2026 | 48 | 44 | 65.9% | 4 |
| April 2026 | 60 | 60 | 78.3% | 0 |
| May 2026 | 51 | 51 | 94.1% | 0 |
| June 2026 | 30 | 29 | 72.4% | 1 |
| July 2026 | 31 | 29 | 69.0% | 2 |