WN3939
WN3939 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Kahului to Honolulu. Of 391 departures recorded from October 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 391 flights
- Average delay16.4 min
- July 202616▼ 48.4%vs July 2025
- Cancelled0.5%
- Legs flown under this number24
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 | 9 | 31 | ▲ 244.4% |
| February | 7 | 25 | ▲ 257.1% |
| March | 5 | 37 | ▲ 640.0% |
| April | 7 | 30 | ▲ 328.6% |
| May | 9 | 31 | ▲ 244.4% |
| June | 27 | 19 | ▼ 29.6% |
| July | 31 | 16 | ▼ 48.4% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 27 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 95 | 189 | ▲ 98.9% |
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 | 88.9% | 90.0% | ▲ 1.2% |
| February | 42.9% | 80.0% | ▲ 86.7% |
| March | 80.0% | 89.2% | ▲ 11.5% |
| April | 57.1% | 70.0% | ▲ 22.5% |
| May | 44.4% | 61.3% | ▲ 37.9% |
| June | 29.6% | 47.4% | ▲ 59.9% |
| July | 41.9% | 43.8% | ▲ 4.3% |
| August | 75.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 55.0% | 68.8% | ▲ 25.1% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.5% 389
- Cancelled 0.5% 2
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | -3.1 min | 95.2% | 63 |
| SAN AUS San Diego International Airport – Austin Bergstrom International Airport | 1,871 | 6.3 min | 87.0% | 55 |
| DEN IND Denver International Airport – Indianapolis International Airport | 1,568 | 61.1 min | 29.4% | 51 |
| SAV MDW Savannah Hilton Head International Airport – Chicago Midway International Airport | 1,221 | 2.6 min | 89.7% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| November 2024 | 21 | 21 | 85.7% | 0 |
| December 2024 | 20 | 20 | 95.0% | 0 |
| January 2025 | 9 | 9 | 88.9% | 0 |
| February 2025 | 7 | 7 | 42.9% | 0 |
| March 2025 | 5 | 5 | 80.0% | 0 |
| April 2025 | 7 | 7 | 57.1% | 0 |
| May 2025 | 9 | 9 | 44.4% | 0 |
| June 2025 | 27 | 27 | 29.6% | 0 |
| July 2025 | 31 | 31 | 41.9% | 0 |
| August 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 27 | 26 | 100.0% | 1 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 31 | 30 | 90.0% | 1 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 37 | 37 | 89.2% | 0 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 31 | 61.3% | 0 |
| June 2026 | 19 | 19 | 47.4% | 0 |
| July 2026 | 16 | 16 | 43.8% | 0 |