WN425
WN425 (Southwest Airlines) is a multi-stop service on 43 routes, busiest Long Beach to Nashville. Of 819 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 819 flights
- Average delay10.0 min
- July 202630▼ 3.2%vs July 2025
- Cancelled1.2%
- Legs flown under this number43
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 | 56 | 61 | ▲ 8.9% |
| February | 69 | 67 | ▼ 2.9% |
| March | 43 | 24 | ▼ 44.2% |
| April | 31 | 35 | ▲ 12.9% |
| May | 31 | 39 | ▲ 25.8% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 36 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 291 | 286 | ▼ 1.7% |
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 | 94.1% | 81.4% | ▼ 13.6% |
| February | 72.1% | 86.6% | ▲ 20.1% |
| March | 81.4% | 91.7% | ▲ 12.6% |
| April | 87.1% | 51.4% | ▼ 41.0% |
| May | 93.6% | 51.3% | ▼ 45.2% |
| June | 76.7% | 73.3% | ▼ 4.4% |
| July | 74.2% | 70.0% | ▼ 5.6% |
| August | 93.6% | – | – |
| September | 100.0% | – | – |
| October | 91.7% | – | in progress |
| November | 58.6% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 82.7% | 72.2% | ▼ 12.7% |
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 | 5 | 2 | ▼ 60.0% |
| 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 | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 2 | ▼ 66.7% |
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% 809
- Cancelled 1.2% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB BNA Long Beach International Airport – Nashville International Airport | 2,867 | 4.9 min | 92.2% | 78 |
| BNA DCA Nashville International Airport – Ronald Reagan Washington National Airport | 903 | 22.0 min | 64.3% | 74 |
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 28.2 min | 55.9% | 61 |
| ATL MDW Hartsfield Jackson Atlanta International Airport – Chicago Midway International Airport | 952 | -0.1 min | 96.6% | 59 |
| CLE DEN Cleveland Hopkins International Airport – Denver International Airport | 1,928 | -0.1 min | 94.8% | 58 |
| STL OMA St. Louis Lambert International Airport – Eppley Airfield | 549 | 1.3 min | 90.6% | 53 |
| AUS PHX Austin Bergstrom International Airport – Phoenix Sky Harbor International Airport | 1,401 | 28.7 min | 46.5% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 25 | 25 | 92.0% | 0 |
| December 2024 | 41 | 41 | 78.1% | 0 |
| January 2025 | 56 | 51 | 94.1% | 5 |
| February 2025 | 69 | 68 | 72.1% | 1 |
| March 2025 | 43 | 43 | 81.4% | 0 |
| April 2025 | 31 | 31 | 87.1% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 36 | 36 | 91.7% | 0 |
| November 2025 | 30 | 29 | 58.6% | 1 |
| December 2025 | 29 | 28 | 57.1% | 1 |
| January 2026 | 61 | 59 | 81.4% | 2 |
| February 2026 | 67 | 67 | 86.6% | 0 |
| March 2026 | 24 | 24 | 91.7% | 0 |
| April 2026 | 35 | 35 | 51.4% | 0 |
| May 2026 | 39 | 39 | 51.3% | 0 |
| June 2026 | 30 | 30 | 73.3% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |