WN3937
WN3937 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Kahului to Honolulu. Of 491 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 491 flights
- Average delay12.2 min
- July 202648▲ 54.8%vs July 2025
- Cancelled1.0%
- Legs flown under this number20
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 | 5 | 5 | 0.0% |
| February | 17 | – | – |
| March | 41 | 27 | ▼ 34.1% |
| April | 10 | 33 | ▲ 230.0% |
| May | 1 | 36 | ▲ 3,500.0% |
| June | 26 | 45 | ▲ 73.1% |
| July | 31 | 48 | ▲ 54.8% |
| August | 28 | – | – |
| September | 26 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 | 80.0% | 60.0% | ▼ 25.0% |
| February | 88.2% | – | – |
| March | 82.1% | 76.9% | ▼ 6.3% |
| April | 80.0% | 75.8% | ▼ 5.3% |
| May | 100.0% | 44.4% | ▼ 55.6% |
| June | 76.9% | 84.4% | ▲ 9.8% |
| July | 67.7% | 77.1% | ▲ 13.8% |
| August | 67.9% | – | – |
| September | 76.0% | – | – |
| October | 56.7% | – | in progress |
| November | 100.0% | – | – |
| December | 93.6% | – | – |
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 | 0 | 0 | – |
| February | 0 | – | – |
| March | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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% 486
- Cancelled 1.0% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | 0.1 min | 93.7% | 64 |
| STL PHL St. Louis Lambert International Airport – Philadelphia International Airport | 1,306 | 14.8 min | 73.8% | 61 |
| OMA PHX Eppley Airfield – Phoenix Sky Harbor International Airport | 1,667 | 23.7 min | 71.4% | 50 |
| ATL STL Hartsfield Jackson Atlanta International Airport – St. Louis Lambert International Airport | 779 | -1.3 min | 95.8% | 48 |
| AUS IND Austin Bergstrom International Airport – Indianapolis International Airport | 1,479 | 27.3 min | 57.1% | 42 |
| STL LAX St. Louis Lambert International Airport – Los Angeles International Airport | 2,557 | 13.3 min | 64.7% | 34 |
| LAS OKC Harry Reid International Airport – OKC Will Rogers World Airport | 1,584 | 2.6 min | 81.3% | 33 |
| JAN HOU Jackson-Medgar Wiley Evers International Airport – William P. Hobby Airport | 578 | 5.3 min | 81.3% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| February 2025 | 17 | 17 | 88.2% | 0 |
| March 2025 | 41 | 39 | 82.1% | 2 |
| April 2025 | 10 | 10 | 80.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 26 | 26 | 76.9% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 28 | 28 | 67.9% | 0 |
| September 2025 | 26 | 25 | 76.0% | 1 |
| October 2025 | 30 | 30 | 56.7% | 0 |
| November 2025 | 29 | 28 | 100.0% | 1 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 5 | 5 | 60.0% | 0 |
| March 2026 | 27 | 26 | 76.9% | 1 |
| April 2026 | 33 | 33 | 75.8% | 0 |
| May 2026 | 36 | 36 | 44.4% | 0 |
| June 2026 | 45 | 45 | 84.4% | 0 |
| July 2026 | 48 | 48 | 77.1% | 0 |