WN455
WN455 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Long Beach to San Jose. Of 678 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 678 flights
- Average delay12.3 min
- July 202632▲ 3.2%vs July 2025
- Cancelled0.9%
- Legs flown under this number29
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 32 | 30 | ▼ 6.3% |
| February | 28 | 28 | 0.0% |
| March | 27 | 31 | ▲ 14.8% |
| April | 29 | 27 | ▼ 6.9% |
| May | 30 | 26 | ▼ 13.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 32 | ▲ 3.2% |
| August | 35 | – | – |
| September | 34 | – | – |
| October | 52 | – | in progress |
| November | 27 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 207 | 204 | ▼ 1.4% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 87.5% | 83.3% | ▼ 4.8% |
| February | 89.3% | 92.6% | ▲ 3.7% |
| March | 85.2% | 45.2% | ▼ 47.0% |
| April | 75.9% | 81.5% | ▲ 7.4% |
| May | 70.0% | 80.8% | ▲ 15.4% |
| June | 90.0% | 43.3% | ▼ 51.9% |
| July | 96.8% | 55.2% | ▼ 43.0% |
| August | 76.5% | – | – |
| September | 76.5% | – | – |
| October | 59.6% | – | in progress |
| November | 81.5% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 84.9% | 68.8% | ▼ 19.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 672
- Cancelled 0.9% 6
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB SJC Long Beach International Airport – Mineta San Jose International Airport | 522 | -0.8 min | 90.2% | 102 |
| SMF ONT Sacramento International Airport – Ontario International Airport | 627 | 1.3 min | 95.0% | 61 |
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 22.2 min | 76.4% | 55 |
| ATL TPA Hartsfield Jackson Atlanta International Airport – Tampa International Airport | 655 | 17.7 min | 71.7% | 53 |
| SMF MDW Sacramento International Airport – Chicago Midway International Airport | 2,874 | 9.4 min | 72.0% | 50 |
| MDW RSW Chicago Midway International Airport – Southwest Florida International Airport | 1,782 | 10.1 min | 87.2% | 47 |
| MDW HOU Chicago Midway International Airport – William P. Hobby Airport | 1,510 | 3.4 min | 90.5% | 42 |
| MCO BWI Orlando International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,269 | 35.3 min | 50.0% | 41 |
| HOU JAN William P. Hobby Airport – Jackson-Medgar Wiley Evers International Airport | 578 | 32.5 min | 39.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 81.8% | 0 |
| November 2024 | 44 | 43 | 83.7% | 1 |
| December 2024 | 37 | 37 | 94.6% | 0 |
| January 2025 | 32 | 32 | 87.5% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 27 | 27 | 85.2% | 0 |
| April 2025 | 29 | 29 | 75.9% | 0 |
| May 2025 | 30 | 30 | 70.0% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 35 | 34 | 76.5% | 1 |
| September 2025 | 34 | 34 | 76.5% | 0 |
| October 2025 | 52 | 52 | 59.6% | 0 |
| November 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 27 | 27 | 66.7% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 28 | 27 | 92.6% | 1 |
| March 2026 | 31 | 31 | 45.2% | 0 |
| April 2026 | 27 | 27 | 81.5% | 0 |
| May 2026 | 26 | 26 | 80.8% | 0 |
| June 2026 | 30 | 30 | 43.3% | 0 |
| July 2026 | 32 | 29 | 55.2% | 3 |