WN42
WN42 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Houston to Dallas. Of 281 departures recorded from October 2024 to July 2026, 70.3% left on time, according to the US BTS.
- On-time departures70.3%of 281 flights
- Average delay16.7 min
- July 20261▼ 90.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 40 | ▲ 1,900.0% |
| February | – | 25 | – |
| March | 12 | 4 | ▼ 66.7% |
| April | 12 | 16 | ▲ 33.3% |
| May | 11 | 16 | ▲ 45.5% |
| June | 9 | 4 | ▼ 55.6% |
| July | 10 | 1 | ▼ 90.0% |
| August | – | – | – |
| September | – | – | – |
| October | 32 | – | in progress |
| November | 20 | – | – |
| December | 30 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 92.3% | – |
| February | – | 76.0% | – |
| March | 41.7% | 50.0% | ▲ 20.0% |
| April | 58.3% | 75.0% | ▲ 28.6% |
| May | 72.7% | 50.0% | ▼ 31.3% |
| June | 44.4% | 25.0% | ▼ 43.7% |
| July | 80.0% | 100.0% | ▲ 25.0% |
| August | – | – | – |
| September | – | – | – |
| October | 65.6% | – | in progress |
| November | 83.3% | – | – |
| December | 80.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| 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 98.2% 276
- Cancelled 1.8% 5
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 4, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU DAL William P. Hobby Airport – Dallas Love Field | 386 | 14.6 min | 74.8% | 147 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 56.5% | 0 |
| November 2024 | 6 | 6 | 100.0% | 0 |
| December 2024 | 8 | 7 | 57.1% | 1 |
| January 2025 | 2 | 1 | 0.0% | 1 |
| March 2025 | 12 | 12 | 41.7% | 0 |
| April 2025 | 12 | 12 | 58.3% | 0 |
| May 2025 | 11 | 11 | 72.7% | 0 |
| June 2025 | 9 | 9 | 44.4% | 0 |
| July 2025 | 10 | 10 | 80.0% | 0 |
| October 2025 | 32 | 32 | 65.6% | 0 |
| November 2025 | 20 | 18 | 83.3% | 2 |
| December 2025 | 30 | 30 | 80.0% | 0 |
| January 2026 | 40 | 39 | 92.3% | 1 |
| February 2026 | 25 | 25 | 76.0% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| April 2026 | 16 | 16 | 75.0% | 0 |
| May 2026 | 16 | 16 | 50.0% | 0 |
| June 2026 | 4 | 4 | 25.0% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |