WN4059
WN4059 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Long Beach to Reno. Of 363 departures recorded from October 2024 to July 2026, 75.0% left on time, according to the US BTS.
- On-time departures75.0%of 363 flights
- Average delay11.2 min
- July 202627▲ 575.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number23
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 | 26 | 3 | ▼ 88.5% |
| February | 28 | 1 | ▼ 96.4% |
| March | 31 | 15 | ▼ 51.6% |
| April | 42 | 3 | ▼ 92.9% |
| May | 48 | – | – |
| June | 10 | 23 | ▲ 130.0% |
| July | 4 | 27 | ▲ 575.0% |
| August | 4 | – | – |
| September | 4 | – | – |
| October | 41 | – | in progress |
| November | 8 | – | – |
| December | 20 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.2% | 66.7% | ▼ 30.7% |
| February | 84.6% | 100.0% | ▲ 18.2% |
| March | 80.7% | 73.3% | ▼ 9.1% |
| April | 65.9% | 66.7% | ▲ 1.2% |
| May | 64.6% | – | – |
| June | 70.0% | 100.0% | ▲ 42.9% |
| July | 25.0% | 96.3% | ▲ 285.2% |
| August | 100.0% | – | – |
| September | 75.0% | – | – |
| October | 56.1% | – | in progress |
| November | 62.5% | – | – |
| December | 65.0% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.2% 360
- Cancelled 0.8% 3
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB RNO Long Beach International Airport – Reno Tahoe International Airport | 648 | 1.3 min | 89.2% | 67 |
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 15.4 min | 70.7% | 58 |
| TUS DEN Tucson International Airport – Denver International Airport | 1,029 | 0.9 min | 98.0% | 50 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 75.0% | 0 |
| November 2024 | 5 | 5 | 60.0% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 28 | 26 | 84.6% | 2 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 42 | 41 | 65.9% | 1 |
| May 2025 | 48 | 48 | 64.6% | 0 |
| June 2025 | 10 | 10 | 70.0% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 41 | 41 | 56.1% | 0 |
| November 2025 | 8 | 8 | 62.5% | 0 |
| December 2025 | 20 | 20 | 65.0% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 15 | 15 | 73.3% | 0 |
| April 2026 | 3 | 3 | 66.7% | 0 |
| June 2026 | 23 | 23 | 100.0% | 0 |
| July 2026 | 27 | 27 | 96.3% | 0 |