OO4018
OO4018 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Los Angeles to San Diego. Of 865 departures recorded from October 2024 to July 2026, 86.7% left on time, according to the US BTS.
- On-time departures86.7%of 865 flights
- Average delay2.5 min
- July 20262▼ 96.8%vs July 2025
- Cancelled1.2%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 62 | ▲ 342.9% |
| February | – | 56 | – |
| March | 23 | 62 | ▲ 169.6% |
| April | 30 | 60 | ▲ 100.0% |
| May | 31 | 12 | ▼ 61.3% |
| June | 53 | – | – |
| July | 62 | 2 | ▼ 96.8% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 80.7% | ▼ 3.2% |
| February | – | 87.5% | – |
| March | 91.3% | 79.0% | ▼ 13.4% |
| April | 90.0% | 93.3% | ▲ 3.7% |
| May | 96.8% | 91.7% | ▼ 5.3% |
| June | 81.1% | – | – |
| July | 90.3% | 100.0% | ▲ 10.7% |
| August | 83.9% | – | – |
| September | 91.7% | – | – |
| October | 95.2% | – | in progress |
| November | 90.0% | – | – |
| December | 79.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 8 | – | – |
| December | 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 98.8% 855
- Cancelled 1.2% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 5, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX SAN Los Angeles International Airport – San Diego International Airport | 176 | 0.8 min | 88.5% | 510 |
| SAN LAX San Diego International Airport – Los Angeles International Airport | 176 | 5.1 min | 83.8% | 349 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 44 | 44 | 72.7% | 0 |
| January 2025 | 14 | 12 | 83.3% | 2 |
| March 2025 | 23 | 23 | 91.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 53 | 53 | 81.1% | 0 |
| July 2025 | 62 | 62 | 90.3% | 0 |
| August 2025 | 62 | 62 | 83.9% | 0 |
| September 2025 | 60 | 60 | 91.7% | 0 |
| October 2025 | 62 | 62 | 95.2% | 0 |
| November 2025 | 58 | 50 | 90.0% | 8 |
| December 2025 | 62 | 62 | 79.0% | 0 |
| January 2026 | 62 | 62 | 80.7% | 0 |
| February 2026 | 56 | 56 | 87.5% | 0 |
| March 2026 | 62 | 62 | 79.0% | 0 |
| April 2026 | 60 | 60 | 93.3% | 0 |
| May 2026 | 12 | 12 | 91.7% | 0 |
| July 2026 | 2 | 2 | 100.0% | 0 |