WN4109
WN4109 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Las Vegas to Honolulu. Of 355 departures recorded from October 2024 to July 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 355 flights
- Average delay12.0 min
- July 202630
- Cancelled0.6%
- Legs flown under this number18
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 | 2 | 24 | ▲ 1,100.0% |
| March | 1 | 28 | ▲ 2,700.0% |
| April | 20 | 30 | ▲ 50.0% |
| May | 26 | 31 | ▲ 19.2% |
| June | 4 | 30 | ▲ 650.0% |
| July | – | 30 | – |
| August | 19 | – | – |
| September | 22 | – | – |
| October | 1 | – | in progress |
| November | 3 | – | – |
| December | 3 | – | – |
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 | 60.0% | 80.0% | ▲ 33.3% |
| February | 100.0% | 62.5% | ▼ 37.5% |
| March | 100.0% | 92.6% | ▼ 7.4% |
| April | 85.0% | 96.7% | ▲ 13.7% |
| May | 65.4% | 77.4% | ▲ 18.4% |
| June | 25.0% | 80.0% | ▲ 220.0% |
| July | – | 86.7% | – |
| August | 68.4% | – | – |
| September | 59.1% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
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 | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 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 99.4% 353
- Cancelled 0.6% 2
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS HNL Harry Reid International Airport – Daniel K. Inouye International Airport | 4,441 | 6.1 min | 82.5% | 57 |
| SAN SAT San Diego International Airport – San Antonio International Airport | 1,814 | 6.4 min | 83.7% | 49 |
| COS LAS City of Colorado Springs Municipal Airport – Harry Reid International Airport | 970 | 21.4 min | 69.4% | 49 |
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | 16.7 min | 64.3% | 42 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | 6.0 min | 93.6% | 32 |
| OKC DEN OKC Will Rogers World Airport – Denver International Airport | 796 | 5.4 min | 86.2% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 25 | 24 | 83.3% | 1 |
| December 2024 | 26 | 26 | 73.1% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 20 | 20 | 85.0% | 0 |
| May 2025 | 26 | 26 | 65.4% | 0 |
| June 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 19 | 19 | 68.4% | 0 |
| September 2025 | 22 | 22 | 59.1% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 3 | 3 | 100.0% | 0 |
| December 2025 | 3 | 3 | 100.0% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 24 | 24 | 62.5% | 0 |
| March 2026 | 28 | 27 | 92.6% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 30 | 30 | 86.7% | 0 |