WN39
WN39 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Dallas to Houston. Of 855 departures recorded from October 2024 to July 2026, 71.8% left on time, according to the US BTS.
- On-time departures71.8%of 855 flights
- Average delay14.6 min
- July 202610▼ 84.4%vs July 2025
- Cancelled1.1%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 35 | 8 | ▼ 77.1% |
| February | 32 | 25 | ▼ 21.9% |
| March | 81 | 14 | ▼ 82.7% |
| April | 62 | 5 | ▼ 91.9% |
| May | 52 | 6 | ▼ 88.5% |
| June | 54 | 8 | ▼ 85.2% |
| July | 64 | 10 | ▼ 84.4% |
| August | 90 | – | – |
| September | 99 | – | – |
| October | 15 | – | in progress |
| November | 14 | – | – |
| December | 13 | – | – |
| Year to date (Jan–Jul) | 380 | 76 | ▼ 80.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.9% | 75.0% | ▼ 14.7% |
| February | 78.1% | 68.0% | ▼ 13.0% |
| March | 77.2% | 71.4% | ▼ 7.5% |
| April | 80.3% | 40.0% | ▼ 50.2% |
| May | 67.3% | 20.0% | ▼ 70.3% |
| June | 63.0% | 50.0% | ▼ 20.6% |
| July | 56.3% | 77.8% | ▲ 38.3% |
| August | 67.8% | – | – |
| September | 75.8% | – | – |
| October | 80.0% | – | in progress |
| November | 57.1% | – | – |
| December | 61.5% | – | – |
| Year-to-date average (Jan–Jul) | 72.9% | 57.5% | ▼ 21.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 2 | ▼ 60.0% |
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 98.9% 846
- Cancelled 1.1% 9
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL HOU Dallas Love Field – William P. Hobby Airport | 386 | 16.4 min | 69.4% | 400 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 7.9 min | 71.9% | 32 |
| ABQ DAL Albuquerque International Sunport – Dallas Love Field | 933 | 9.9 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 67.5% | 0 |
| November 2024 | 56 | 55 | 89.1% | 1 |
| December 2024 | 72 | 71 | 71.8% | 1 |
| January 2025 | 35 | 33 | 87.9% | 2 |
| February 2025 | 32 | 32 | 78.1% | 0 |
| March 2025 | 81 | 79 | 77.2% | 2 |
| April 2025 | 62 | 61 | 80.3% | 1 |
| May 2025 | 52 | 52 | 67.3% | 0 |
| June 2025 | 54 | 54 | 63.0% | 0 |
| July 2025 | 64 | 64 | 56.3% | 0 |
| August 2025 | 90 | 90 | 67.8% | 0 |
| September 2025 | 99 | 99 | 75.8% | 0 |
| October 2025 | 15 | 15 | 80.0% | 0 |
| November 2025 | 14 | 14 | 57.1% | 0 |
| December 2025 | 13 | 13 | 61.5% | 0 |
| January 2026 | 8 | 8 | 75.0% | 0 |
| February 2026 | 25 | 25 | 68.0% | 0 |
| March 2026 | 14 | 14 | 71.4% | 0 |
| April 2026 | 5 | 5 | 40.0% | 0 |
| May 2026 | 6 | 5 | 20.0% | 1 |
| June 2026 | 8 | 8 | 50.0% | 0 |
| July 2026 | 10 | 9 | 77.8% | 1 |