WN43
WN43 (Southwest Airlines) is a multi-stop service on 5 routes, busiest Dallas to Houston. Of 102 departures recorded from October 2024 to May 2026, 68.7% left on time, according to the US BTS.
- On-time departures68.7%of 102 flights
- Average delay19.2 min
- May 20265▼ 37.5%vs May 2025
- Cancelled2.9%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 9 | – |
| February | – | 9 | – |
| March | 20 | 2 | ▼ 90.0% |
| April | 13 | 3 | ▼ 76.9% |
| May | 8 | 5 | ▼ 37.5% |
| June | 8 | – | – |
| July | 11 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 75.0% | – |
| February | – | 66.7% | – |
| March | 84.2% | 100.0% | ▲ 18.8% |
| April | 76.9% | 66.7% | ▼ 13.3% |
| May | 37.5% | 50.0% | ▲ 33.3% |
| June | 50.0% | – | – |
| July | 54.6% | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 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 97.1% 99
- Cancelled 2.9% 3
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → May 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL HOU Dallas Love Field – William P. Hobby Airport | 386 | 23.0 min | 63.8% | 82 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 1 | 1 | 0.0% | 0 |
| March 2025 | 20 | 19 | 84.2% | 1 |
| April 2025 | 13 | 13 | 76.9% | 0 |
| May 2025 | 8 | 8 | 37.5% | 0 |
| June 2025 | 8 | 8 | 50.0% | 0 |
| July 2025 | 11 | 11 | 54.6% | 0 |
| January 2026 | 9 | 8 | 75.0% | 1 |
| February 2026 | 9 | 9 | 66.7% | 0 |
| March 2026 | 2 | 2 | 100.0% | 0 |
| April 2026 | 3 | 3 | 66.7% | 0 |
| May 2026 | 5 | 4 | 50.0% | 1 |