WN37
WN37 (Southwest Airlines) is a multi-stop service on 11 routes, busiest Dallas to Houston. Of 306 departures recorded from October 2024 to July 2026, 66.9% left on time, according to the US BTS.
- On-time departures66.9%of 306 flights
- Average delay18.6 min
- July 202632
- Cancelled3.3%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 9 | 22 | ▲ 144.4% |
| February | 8 | 10 | ▲ 25.0% |
| March | 1 | 42 | ▲ 4,100.0% |
| April | – | 47 | – |
| May | – | 49 | – |
| June | – | 35 | – |
| July | – | 32 | – |
| August | – | – | – |
| September | – | – | – |
| October | 12 | – | in progress |
| November | 15 | – | – |
| December | 16 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 81.0% | ▼ 19.0% |
| February | 87.5% | 50.0% | ▼ 42.9% |
| March | 100.0% | 61.9% | ▼ 38.1% |
| April | – | 68.1% | – |
| May | – | 57.1% | – |
| June | – | 58.1% | – |
| July | – | 58.6% | – |
| August | – | – | – |
| September | – | – | – |
| October | 83.3% | – | in progress |
| November | 69.2% | – | – |
| December | 68.8% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 4 | – |
| July | – | 3 | – |
| 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 96.7% 296
- Cancelled 3.3% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL HOU Dallas Love Field – William P. Hobby Airport | 386 | 21.3 min | 63.5% | 210 |
| AMA DAL Rick Husband Amarillo International Airport – Dallas Love Field | 520 | 19.3 min | 65.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 9 | 9 | 100.0% | 0 |
| February 2025 | 8 | 8 | 87.5% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 12 | 12 | 83.3% | 0 |
| November 2025 | 15 | 13 | 69.2% | 2 |
| December 2025 | 16 | 16 | 68.8% | 0 |
| January 2026 | 22 | 21 | 81.0% | 1 |
| February 2026 | 10 | 10 | 50.0% | 0 |
| March 2026 | 42 | 42 | 61.9% | 0 |
| April 2026 | 47 | 47 | 68.1% | 0 |
| May 2026 | 49 | 49 | 57.1% | 0 |
| June 2026 | 35 | 31 | 58.1% | 4 |
| July 2026 | 32 | 29 | 58.6% | 3 |