WN3729
WN3729 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Los Angeles to Dallas. Of 440 departures recorded from October 2024 to July 2026, 68.1% left on time, according to the US BTS.
- On-time departures68.1%of 440 flights
- Average delay24.1 min
- July 20263▼ 85.7%vs July 2025
- Cancelled0.2%
- 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 periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 1 | ▼ 96.2% |
| February | 24 | – | – |
| March | 22 | 23 | ▲ 4.5% |
| April | 17 | 29 | ▲ 70.6% |
| May | 19 | 30 | ▲ 57.9% |
| June | 22 | 7 | ▼ 68.2% |
| July | 21 | 3 | ▼ 85.7% |
| August | 53 | – | – |
| September | 56 | – | – |
| October | 6 | – | in progress |
| November | 6 | – | – |
| December | 4 | – | – |
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% | 0.0% | ▼ 100.0% |
| February | 83.3% | – | – |
| March | 68.2% | 43.5% | ▼ 36.2% |
| April | 82.4% | 72.4% | ▼ 12.1% |
| May | 84.2% | 63.3% | ▼ 24.8% |
| June | 86.4% | 85.7% | ▼ 0.8% |
| July | 85.7% | 100.0% | ▲ 16.7% |
| August | 62.3% | – | – |
| September | 35.7% | – | – |
| October | 83.3% | – | in progress |
| November | 83.3% | – | – |
| December | 50.0% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 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 99.8% 439
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX DAL Los Angeles International Airport – Dallas Love Field | 2,002 | 17.0 min | 78.1% | 97 |
| PHL MDW Philadelphia International Airport – Chicago Midway International Airport | 1,073 | 28.3 min | 73.7% | 57 |
| CMH MCO John Glenn Columbus International Airport – Orlando International Airport | 1,295 | 6.5 min | 88.6% | 44 |
| BOS DEN Boston Logan International Airport – Denver International Airport | 2,816 | 73.5 min | 23.8% | 42 |
| HOU BWI William P. Hobby Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,003 | 5.9 min | 87.5% | 32 |
| BWI BOS Baltimore/Washington International Thurgood Marshall Airport – Boston Logan International Airport | 594 | 57.3 min | 34.4% | 32 |
| BUR SJC Hollywood Burbank/Bob Hope Airport – Mineta San Jose International Airport | 477 | 7.9 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 73.9% | 0 |
| November 2024 | 26 | 26 | 84.6% | 0 |
| December 2024 | 22 | 22 | 63.6% | 0 |
| January 2025 | 26 | 25 | 80.0% | 1 |
| February 2025 | 24 | 24 | 83.3% | 0 |
| March 2025 | 22 | 22 | 68.2% | 0 |
| April 2025 | 17 | 17 | 82.4% | 0 |
| May 2025 | 19 | 19 | 84.2% | 0 |
| June 2025 | 22 | 22 | 86.4% | 0 |
| July 2025 | 21 | 21 | 85.7% | 0 |
| August 2025 | 53 | 53 | 62.3% | 0 |
| September 2025 | 56 | 56 | 35.7% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 4 | 4 | 50.0% | 0 |
| January 2026 | 1 | 1 | 0.0% | 0 |
| March 2026 | 23 | 23 | 43.5% | 0 |
| April 2026 | 29 | 29 | 72.4% | 0 |
| May 2026 | 30 | 30 | 63.3% | 0 |
| June 2026 | 7 | 7 | 85.7% | 0 |
| July 2026 | 3 | 3 | 100.0% | 0 |