WN4781
WN4781 (Southwest Airlines) is a multi-stop service on 15 routes, busiest St Louis to Oklahoma City. Of 316 departures recorded from October 2024 to July 2026, 76.4% left on time, according to the US BTS.
- On-time departures76.4%of 316 flights
- Average delay8.8 min
- July 202616▼ 30.4%vs July 2025
- Cancelled0.6%
- 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 periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | 48 | ▲ 71.4% |
| February | 24 | 36 | ▲ 50.0% |
| March | 12 | 9 | ▼ 25.0% |
| April | 2 | 1 | ▼ 50.0% |
| May | – | – | – |
| June | 18 | 16 | ▼ 11.1% |
| July | 23 | 16 | ▼ 30.4% |
| August | 2 | – | – |
| September | – | – | – |
| October | 17 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.6% | 85.4% | ▲ 0.9% |
| February | 79.2% | 94.4% | ▲ 19.3% |
| March | 83.3% | 77.8% | ▼ 6.7% |
| April | 100.0% | 0.0% | ▼ 100.0% |
| May | – | – | – |
| June | 50.0% | 62.5% | ▲ 25.0% |
| July | 56.5% | 62.5% | ▲ 10.6% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 76.5% | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 99.4% 314
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL OKC St. Louis Lambert International Airport – OKC Will Rogers World Airport | 742 | 9.2 min | 78.3% | 108 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | -4.3 min | 97.9% | 47 |
| PHX ABQ Phoenix Sky Harbor International Airport – Albuquerque International Sunport | 527 | 20.5 min | 53.5% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 25 | 25 | 76.0% | 0 |
| December 2024 | 28 | 28 | 71.4% | 0 |
| January 2025 | 28 | 26 | 84.6% | 2 |
| February 2025 | 24 | 24 | 79.2% | 0 |
| March 2025 | 12 | 12 | 83.3% | 0 |
| April 2025 | 2 | 2 | 100.0% | 0 |
| June 2025 | 18 | 18 | 50.0% | 0 |
| July 2025 | 23 | 23 | 56.5% | 0 |
| August 2025 | 2 | 2 | 50.0% | 0 |
| October 2025 | 17 | 17 | 76.5% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 48 | 48 | 85.4% | 0 |
| February 2026 | 36 | 36 | 94.4% | 0 |
| March 2026 | 9 | 9 | 77.8% | 0 |
| April 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 16 | 16 | 62.5% | 0 |
| July 2026 | 16 | 16 | 62.5% | 0 |