WN4080
WN4080 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Oakland to Las Vegas. Of 277 departures recorded from November 2024 to July 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 277 flights
- Average delay7.9 min
- July 202618▲ 5.9%vs July 2025
- Cancelled0.0%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 3 | ▼ 90.0% |
| February | 17 | 8 | ▼ 52.9% |
| March | 3 | 5 | ▲ 66.7% |
| April | 9 | 4 | ▼ 55.6% |
| May | 14 | 9 | ▼ 35.7% |
| June | 17 | 16 | ▼ 5.9% |
| July | 17 | 18 | ▲ 5.9% |
| August | 3 | – | – |
| September | – | – | – |
| October | 29 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 107 | 63 | ▼ 41.1% |
according to the US BTS · November 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 66.7% | ▼ 20.0% |
| February | 82.4% | 87.5% | ▲ 6.3% |
| March | 100.0% | 60.0% | ▼ 40.0% |
| April | 55.6% | 100.0% | ▲ 80.0% |
| May | 71.4% | 66.7% | ▼ 6.7% |
| June | 88.2% | 50.0% | ▼ 43.3% |
| July | 94.1% | 61.1% | ▼ 35.1% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 82.8% | – | in progress |
| November | 66.7% | – | – |
| December | 36.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.1% | 70.3% | ▼ 14.4% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 0 |
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 100.0% 277
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Nov 3, 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 |
|---|---|---|---|---|
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | 5.3 min | 84.0% | 81 |
| OAK SNA Oakland San Francisco Bay Airport – John Wayne Orange County International Airport | 597 | -2.0 min | 91.7% | 36 |
| DEN ONT Denver International Airport – Ontario International Airport | 1,316 | 15.7 min | 55.9% | 34 |
| STL PHL St. Louis Lambert International Airport – Philadelphia International Airport | 1,306 | 9.0 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 27 | 27 | 92.6% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 30 | 30 | 83.3% | 0 |
| February 2025 | 17 | 17 | 82.4% | 0 |
| March 2025 | 3 | 3 | 100.0% | 0 |
| April 2025 | 9 | 9 | 55.6% | 0 |
| May 2025 | 14 | 14 | 71.4% | 0 |
| June 2025 | 17 | 17 | 88.2% | 0 |
| July 2025 | 17 | 17 | 94.1% | 0 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 29 | 29 | 82.8% | 0 |
| November 2025 | 6 | 6 | 66.7% | 0 |
| December 2025 | 11 | 11 | 36.4% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 8 | 8 | 87.5% | 0 |
| March 2026 | 5 | 5 | 60.0% | 0 |
| April 2026 | 4 | 4 | 100.0% | 0 |
| May 2026 | 9 | 9 | 66.7% | 0 |
| June 2026 | 16 | 16 | 50.0% | 0 |
| July 2026 | 18 | 18 | 61.1% | 0 |