OO4657
OO4657 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Burbank to San Francisco. Of 616 departures recorded from October 2024 to July 2026, 81.6% left on time, according to the US BTS.
- On-time departures81.6%of 616 flights
- Average delay10.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.0%
- 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 | 31 | 31 | 0.0% |
| February | 19 | 28 | ▲ 47.4% |
| March | 14 | 31 | ▲ 121.4% |
| April | 30 | 30 | 0.0% |
| May | 15 | 31 | ▲ 106.7% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 170 | 212 | ▲ 24.7% |
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 | 61.3% | 82.8% | ▲ 35.0% |
| February | 73.7% | 85.7% | ▲ 16.3% |
| March | 78.6% | 96.7% | ▲ 23.0% |
| April | 73.3% | 89.7% | ▲ 22.3% |
| May | 93.3% | 83.9% | ▼ 10.1% |
| June | 90.0% | 66.7% | ▼ 25.9% |
| July | 80.0% | 64.5% | ▼ 19.4% |
| August | 80.7% | – | – |
| September | 93.3% | – | – |
| October | 77.4% | – | in progress |
| November | 83.3% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 78.6% | 81.4% | ▲ 3.6% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 99.0% 610
- Cancelled 1.0% 6
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 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 61.3% | 0 |
| February 2025 | 19 | 19 | 73.7% | 0 |
| March 2025 | 14 | 14 | 78.6% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 15 | 15 | 93.3% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 30 | 80.0% | 1 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 31 | 30 | 76.7% | 1 |
| January 2026 | 31 | 29 | 82.8% | 2 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 30 | 96.7% | 1 |
| April 2026 | 30 | 29 | 89.7% | 1 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |