WN4055
WN4055 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Honolulu to Kahului. Of 430 departures recorded from October 2024 to July 2026, 73.4% left on time, according to the US BTS.
- On-time departures73.4%of 430 flights
- Average delay14.5 min
- July 202614▲ 250.0%vs July 2025
- Cancelled1.2%
- 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 periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 5 | ▼ 83.9% |
| February | 28 | 7 | ▼ 75.0% |
| March | 27 | – | – |
| April | 12 | 50 | ▲ 316.7% |
| May | 9 | 59 | ▲ 555.6% |
| June | 5 | 19 | ▲ 280.0% |
| July | 4 | 14 | ▲ 250.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | 35 | – | in progress |
| November | 22 | – | – |
| December | 19 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 80.0% | ▼ 20.0% |
| February | 100.0% | 85.7% | ▼ 14.3% |
| March | 70.4% | – | – |
| April | 66.7% | 58.0% | ▼ 13.0% |
| May | 66.7% | 51.7% | ▼ 22.4% |
| June | 60.0% | 73.7% | ▲ 22.8% |
| July | 75.0% | 100.0% | ▲ 33.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 74.3% | – | in progress |
| November | 57.9% | – | – |
| December | 57.9% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| 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 98.8% 425
- Cancelled 1.2% 5
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | -1.7 min | 94.2% | 122 |
| PHX BUR Phoenix Sky Harbor International Airport – Hollywood Burbank/Bob Hope Airport | 593 | 20.0 min | 56.3% | 34 |
| HOU AUS William P. Hobby Airport – Austin Bergstrom International Airport | 238 | 23.5 min | 57.6% | 33 |
| OKC BNA OKC Will Rogers World Airport – Nashville International Airport | 988 | 19.3 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 69.6% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 30 | 100.0% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 27 | 27 | 70.4% | 0 |
| April 2025 | 12 | 12 | 66.7% | 0 |
| May 2025 | 9 | 9 | 66.7% | 0 |
| June 2025 | 5 | 5 | 60.0% | 0 |
| July 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 35 | 35 | 74.3% | 0 |
| November 2025 | 22 | 19 | 57.9% | 3 |
| December 2025 | 19 | 19 | 57.9% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 50 | 50 | 58.0% | 0 |
| May 2026 | 59 | 58 | 51.7% | 1 |
| June 2026 | 19 | 19 | 73.7% | 0 |
| July 2026 | 14 | 14 | 100.0% | 0 |