WN451
WN451 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Burbank to Oakland. Of 753 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 753 flights
- Average delay13.0 min
- July 202632▲ 3.2%vs July 2025
- Cancelled0.7%
- Legs flown under this number34
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 | 28 | 17 | ▼ 39.3% |
| February | 26 | 19 | ▼ 26.9% |
| March | 43 | 32 | ▼ 25.6% |
| April | 33 | 51 | ▲ 54.5% |
| May | 31 | 57 | ▲ 83.9% |
| June | 30 | 33 | ▲ 10.0% |
| July | 31 | 32 | ▲ 3.2% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 64 | – | in progress |
| November | 47 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 222 | 241 | ▲ 8.6% |
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 | 85.7% | 94.1% | ▲ 9.8% |
| February | 96.0% | 100.0% | ▲ 4.2% |
| March | 93.0% | 96.9% | ▲ 4.1% |
| April | 100.0% | 70.6% | ▼ 29.4% |
| May | 93.6% | 52.6% | ▼ 43.7% |
| June | 80.0% | 45.5% | ▼ 43.2% |
| July | 80.7% | 46.9% | ▼ 41.9% |
| August | 74.1% | – | – |
| September | 61.5% | – | – |
| October | 67.2% | – | in progress |
| November | 75.6% | – | – |
| December | 63.6% | – | – |
| Year-to-date average (Jan–Jul) | 89.8% | 72.4% | ▼ 19.5% |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| 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 99.3% 748
- Cancelled 0.7% 5
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 100.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 30 | 30 | 66.7% | 0 |
| January 2025 | 28 | 28 | 85.7% | 0 |
| February 2025 | 26 | 25 | 96.0% | 1 |
| March 2025 | 43 | 43 | 93.0% | 0 |
| April 2025 | 33 | 33 | 100.0% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 27 | 27 | 74.1% | 0 |
| September 2025 | 26 | 26 | 61.5% | 0 |
| October 2025 | 64 | 64 | 67.2% | 0 |
| November 2025 | 47 | 45 | 75.6% | 2 |
| December 2025 | 46 | 44 | 63.6% | 2 |
| January 2026 | 17 | 17 | 94.1% | 0 |
| February 2026 | 19 | 19 | 100.0% | 0 |
| March 2026 | 32 | 32 | 96.9% | 0 |
| April 2026 | 51 | 51 | 70.6% | 0 |
| May 2026 | 57 | 57 | 52.6% | 0 |
| June 2026 | 33 | 33 | 45.5% | 0 |
| July 2026 | 32 | 32 | 46.9% | 0 |