WN1931
WN1931 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Houston to Oklahoma City. Of 690 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 690 flights
- Average delay10.6 min
- July 202631▼ 43.6%vs July 2025
- Cancelled1.2%
- Legs flown under this number27
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 | 36 | 31 | ▼ 13.9% |
| February | 36 | 27 | ▼ 25.0% |
| March | 10 | 38 | ▲ 280.0% |
| April | 24 | 13 | ▼ 45.8% |
| May | 29 | 11 | ▼ 62.1% |
| June | 54 | 27 | ▼ 50.0% |
| July | 55 | 31 | ▼ 43.6% |
| August | 35 | – | – |
| September | 30 | – | – |
| October | 38 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 244 | 178 | ▼ 27.0% |
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 | 88.2% | 86.2% | ▼ 2.3% |
| February | 88.6% | 81.5% | ▼ 8.0% |
| March | 90.0% | 79.0% | ▼ 12.3% |
| April | 95.8% | 69.2% | ▼ 27.8% |
| May | 72.4% | 9.1% | ▼ 87.4% |
| June | 64.8% | 100.0% | ▲ 54.3% |
| July | 63.6% | 96.8% | ▲ 52.1% |
| August | 62.9% | – | – |
| September | 83.3% | – | – |
| October | 73.7% | – | in progress |
| November | 81.5% | – | – |
| December | 82.8% | – | – |
| Year-to-date average (Jan–Jul) | 80.5% | 74.5% | ▼ 7.4% |
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 | 2 | 0.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
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% 682
- 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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU OKC William P. Hobby Airport – OKC Will Rogers World Airport | 675 | 7.7 min | 87.3% | 121 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 15.9 min | 66.7% | 60 |
| PHX HOU Phoenix Sky Harbor International Airport – William P. Hobby Airport | 1,638 | 18.4 min | 70.0% | 60 |
| BNA CHS Nashville International Airport – Charleston International Airport | 706 | 10.5 min | 75.9% | 58 |
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | -1.3 min | 100.0% | 57 |
| BNA AUS Nashville International Airport – Austin Bergstrom International Airport | 1,215 | 4.3 min | 83.6% | 57 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 6.2 min | 81.6% | 49 |
| BWI SAN Baltimore/Washington International Thurgood Marshall Airport – San Diego International Airport | 3,686 | 7.4 min | 80.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 11 | 90.9% | 2 |
| November 2024 | 41 | 40 | 82.5% | 1 |
| December 2024 | 55 | 55 | 74.6% | 0 |
| January 2025 | 36 | 34 | 88.2% | 2 |
| February 2025 | 36 | 35 | 88.6% | 1 |
| March 2025 | 10 | 10 | 90.0% | 0 |
| April 2025 | 24 | 24 | 95.8% | 0 |
| May 2025 | 29 | 29 | 72.4% | 0 |
| June 2025 | 54 | 54 | 64.8% | 0 |
| July 2025 | 55 | 55 | 63.6% | 0 |
| August 2025 | 35 | 35 | 62.9% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 38 | 38 | 73.7% | 0 |
| November 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 29 | 29 | 82.8% | 0 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 27 | 27 | 81.5% | 0 |
| March 2026 | 38 | 38 | 79.0% | 0 |
| April 2026 | 13 | 13 | 69.2% | 0 |
| May 2026 | 11 | 11 | 9.1% | 0 |
| June 2026 | 27 | 27 | 100.0% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |