WN3744
WN3744 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Denver to Milwaukee. Of 408 departures recorded from October 2024 to July 2026, 71.4% left on time, according to the US BTS.
- On-time departures71.4%of 408 flights
- Average delay12.9 min
- July 202629▼ 6.5%vs July 2025
- Cancelled0.7%
- Legs flown under this number25
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 | 30 | 8 | ▼ 73.3% |
| February | 18 | 1 | ▼ 94.4% |
| March | 43 | 31 | ▼ 27.9% |
| April | 10 | 10 | 0.0% |
| May | – | 4 | – |
| June | 26 | 26 | 0.0% |
| July | 31 | 29 | ▼ 6.5% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | – | – | in progress |
| November | 23 | – | – |
| December | 27 | – | – |
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 | 82.8% | 100.0% | ▲ 20.8% |
| February | 77.8% | 100.0% | ▲ 28.6% |
| March | 58.1% | 83.9% | ▲ 44.3% |
| April | 20.0% | 90.0% | ▲ 350.0% |
| May | – | 100.0% | – |
| June | 100.0% | 19.2% | ▼ 80.8% |
| July | 87.1% | 20.7% | ▼ 76.2% |
| August | 75.0% | – | – |
| September | 75.0% | – | – |
| October | – | – | in progress |
| November | 86.4% | – | – |
| December | 81.5% | – | – |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | 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 99.3% 405
- Cancelled 0.7% 3
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 |
|---|---|---|---|---|
| DEN MKE Denver International Airport – General Mitchell International Airport | 1,438 | 9.3 min | 82.5% | 64 |
| PIT STL Pittsburgh International Airport – St. Louis Lambert International Airport | 889 | 0.4 min | 91.8% | 61 |
| MSY DAL Louis Armstrong New Orleans International Airport – Dallas Love Field | 700 | 4.3 min | 84.9% | 54 |
| PHX IND Phoenix Sky Harbor International Airport – Indianapolis International Airport | 2,390 | 9.2 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 29 | 29 | 69.0% | 0 |
| November 2024 | 32 | 32 | 84.4% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 30 | 29 | 82.8% | 1 |
| February 2025 | 18 | 18 | 77.8% | 0 |
| March 2025 | 43 | 43 | 58.1% | 0 |
| April 2025 | 10 | 10 | 20.0% | 0 |
| June 2025 | 26 | 26 | 100.0% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 8 | 8 | 75.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 23 | 22 | 86.4% | 1 |
| December 2025 | 27 | 27 | 81.5% | 0 |
| January 2026 | 8 | 7 | 100.0% | 1 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 10 | 10 | 90.0% | 0 |
| May 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 26 | 26 | 19.2% | 0 |
| July 2026 | 29 | 29 | 20.7% | 0 |