WN1979
WN1979 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Midland to Houston. Of 672 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 672 flights
- Average delay10.9 min
- July 202628▼ 9.7%vs July 2025
- Cancelled1.2%
- 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 | 27 | 29 | ▲ 7.4% |
| February | 24 | 41 | ▲ 70.8% |
| March | 26 | 33 | ▲ 26.9% |
| April | 26 | 30 | ▲ 15.4% |
| May | 25 | 32 | ▲ 28.0% |
| June | 30 | 26 | ▼ 13.3% |
| July | 31 | 28 | ▼ 9.7% |
| August | 37 | – | – |
| September | 38 | – | – |
| October | 23 | – | in progress |
| November | 40 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 189 | 219 | ▲ 15.9% |
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 | 96.0% | 75.0% | ▼ 21.9% |
| February | 91.7% | 92.5% | ▲ 0.9% |
| March | 69.2% | 71.9% | ▲ 3.8% |
| April | 69.2% | 73.3% | ▲ 5.9% |
| May | 52.0% | 65.6% | ▲ 26.2% |
| June | 90.0% | 46.2% | ▼ 48.7% |
| July | 93.6% | 60.7% | ▼ 35.1% |
| August | 70.3% | – | – |
| September | 77.8% | – | – |
| October | 73.9% | – | in progress |
| November | 77.5% | – | – |
| December | 70.2% | – | – |
| Year-to-date average (Jan–Jul) | 80.2% | 69.3% | ▼ 13.6% |
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 | 1 | ▼ 50.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 98.8% 664
- Cancelled 1.2% 8
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MAF HOU Midland International Air and Space Port – William P. Hobby Airport | 709 | 3.7 min | 88.1% | 104 |
| SAT HOU San Antonio International Airport – William P. Hobby Airport | 309 | 4.8 min | 91.8% | 61 |
| PHX MCI Phoenix Sky Harbor International Airport – Kansas City International Airport | 1,677 | 11.3 min | 71.4% | 58 |
| HOU ELP William P. Hobby Airport – El Paso International Airport | 1,087 | 24.1 min | 54.0% | 50 |
| MDW PHL Chicago Midway International Airport – Philadelphia International Airport | 1,073 | 22.8 min | 65.3% | 49 |
| BWI SAV Baltimore/Washington International Thurgood Marshall Airport – Savannah Hilton Head International Airport | 884 | 8.8 min | 75.6% | 45 |
| DEN TPA Denver International Airport – Tampa International Airport | 2,423 | 12.7 min | 75.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 74.1% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 26 | 25 | 80.0% | 1 |
| January 2025 | 27 | 25 | 96.0% | 2 |
| February 2025 | 24 | 24 | 91.7% | 0 |
| March 2025 | 26 | 26 | 69.2% | 0 |
| April 2025 | 26 | 26 | 69.2% | 0 |
| May 2025 | 25 | 25 | 52.0% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 37 | 37 | 70.3% | 0 |
| September 2025 | 38 | 36 | 77.8% | 2 |
| October 2025 | 23 | 23 | 73.9% | 0 |
| November 2025 | 40 | 40 | 77.5% | 0 |
| December 2025 | 47 | 47 | 70.2% | 0 |
| January 2026 | 29 | 28 | 75.0% | 1 |
| February 2026 | 41 | 40 | 92.5% | 1 |
| March 2026 | 33 | 32 | 71.9% | 1 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 32 | 32 | 65.6% | 0 |
| June 2026 | 26 | 26 | 46.2% | 0 |
| July 2026 | 28 | 28 | 60.7% | 0 |