OO4078
OO4078 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Las Vegas to Santa Ana. Of 1,239 departures recorded from October 2024 to July 2026, 89.9% left on time, according to the US BTS.
- On-time departures89.9%of 1,239 flights
- Average delay3.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.1%
- Legs flown under this number7
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 | 60 | 58 | ▼ 3.3% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 422 | 420 | ▼ 0.5% |
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 | 83.1% | 96.6% | ▲ 16.3% |
| February | 92.9% | 82.1% | ▼ 11.5% |
| March | 90.3% | 95.2% | ▲ 5.4% |
| April | 95.0% | 98.3% | ▲ 3.5% |
| May | 93.6% | 90.3% | ▼ 3.5% |
| June | 81.7% | 95.0% | ▲ 16.3% |
| July | 96.8% | 95.2% | ▼ 1.7% |
| August | 90.3% | – | – |
| September | 81.7% | – | – |
| October | 83.9% | – | in progress |
| November | 86.7% | – | – |
| December | 78.0% | – | – |
| Year-to-date average (Jan–Jul) | 90.5% | 93.2% | ▲ 3.1% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.9% 1,238
- Cancelled 0.1% 1
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| LAS SNA Harry Reid International Airport – John Wayne Orange County International Airport | 365 | 2.4 min | 90.8% | 576 |
| SNA LAS John Wayne Orange County International Airport – Harry Reid International Airport | 365 | 4.6 min | 89.1% | 560 |
| SLC SJC Salt Lake City International Airport – Mineta San Jose International Airport | 939 | -3.2 min | 97.3% | 37 |
| SJC SLC Mineta San Jose International Airport – Salt Lake City International Airport | 939 | -5.2 min | 94.6% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 70.6% | 0 |
| November 2024 | 46 | 46 | 93.5% | 0 |
| December 2024 | 40 | 40 | 92.5% | 0 |
| January 2025 | 60 | 59 | 83.1% | 1 |
| February 2025 | 56 | 56 | 92.9% | 0 |
| March 2025 | 62 | 62 | 90.3% | 0 |
| April 2025 | 60 | 60 | 95.0% | 0 |
| May 2025 | 62 | 62 | 93.6% | 0 |
| June 2025 | 60 | 60 | 81.7% | 0 |
| July 2025 | 62 | 62 | 96.8% | 0 |
| August 2025 | 62 | 62 | 90.3% | 0 |
| September 2025 | 60 | 60 | 81.7% | 0 |
| October 2025 | 62 | 62 | 83.9% | 0 |
| November 2025 | 60 | 60 | 86.7% | 0 |
| December 2025 | 50 | 50 | 78.0% | 0 |
| January 2026 | 58 | 58 | 96.6% | 0 |
| February 2026 | 56 | 56 | 82.1% | 0 |
| March 2026 | 62 | 62 | 95.2% | 0 |
| April 2026 | 60 | 60 | 98.3% | 0 |
| May 2026 | 62 | 62 | 90.3% | 0 |
| June 2026 | 60 | 60 | 95.0% | 0 |
| July 2026 | 62 | 62 | 95.2% | 0 |