WN4259
WN4259 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Honolulu to Kahului. Of 409 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 409 flights
- Average delay10.1 min
- July 202630▲ 11.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number19
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 33 | ▲ 17.9% |
| March | 9 | 9 | 0.0% |
| April | 1 | 1 | 0.0% |
| May | – | 1 | – |
| June | 22 | 27 | ▲ 22.7% |
| July | 27 | 30 | ▲ 11.1% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 15 | – | – |
| December | 11 | – | – |
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 | 93.3% | 71.4% | ▼ 23.5% |
| February | 96.4% | 53.1% | ▼ 44.9% |
| March | 77.8% | 55.6% | ▼ 28.6% |
| April | 100.0% | 100.0% | 0.0% |
| May | – | 100.0% | – |
| June | 81.8% | 33.3% | ▼ 59.3% |
| July | 77.8% | 36.7% | ▼ 52.9% |
| August | 93.3% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 66.7% | – | – |
| December | 63.6% | – | – |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 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 99.0% 405
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | -1.7 min | 95.9% | 122 |
| HOU PHX William P. Hobby Airport – Phoenix Sky Harbor International Airport | 1,638 | -0.8 min | 94.8% | 58 |
| DEN LGB Denver International Airport – Long Beach International Airport | 1,373 | 28.5 min | 35.1% | 57 |
| BWI MCO Baltimore/Washington International Thurgood Marshall Airport – Orlando International Airport | 1,269 | 18.5 min | 59.2% | 51 |
| PHX OKC Phoenix Sky Harbor International Airport – OKC Will Rogers World Airport | 1,338 | 6.7 min | 81.4% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 28 | 28 | 100.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 30 | 93.3% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 9 | 9 | 77.8% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 22 | 22 | 81.8% | 0 |
| July 2025 | 27 | 27 | 77.8% | 0 |
| August 2025 | 30 | 30 | 93.3% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 15 | 15 | 66.7% | 0 |
| December 2025 | 11 | 11 | 63.6% | 0 |
| January 2026 | 30 | 28 | 71.4% | 2 |
| February 2026 | 33 | 32 | 53.1% | 1 |
| March 2026 | 9 | 9 | 55.6% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 27 | 27 | 33.3% | 0 |
| July 2026 | 30 | 30 | 36.7% | 0 |