WN2572
WN2572 (Southwest Airlines) is a multi-stop service on 30 routes, busiest St Louis to Kansas City. Of 612 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 612 flights
- Average delay11.1 min
- July 202625▼ 19.4%vs July 2025
- Cancelled1.8%
- Legs flown under this number30
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 | 31 | 28 | ▼ 9.7% |
| February | 26 | 18 | ▼ 30.8% |
| March | 36 | 26 | ▼ 27.8% |
| April | 15 | 29 | ▲ 93.3% |
| May | 8 | 31 | ▲ 287.5% |
| June | 29 | 27 | ▼ 6.9% |
| July | 31 | 25 | ▼ 19.4% |
| August | 42 | – | – |
| September | 43 | – | – |
| October | 43 | – | in progress |
| November | 29 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 176 | 184 | ▲ 4.5% |
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 | 86.2% | 88.5% | ▲ 2.6% |
| February | 80.8% | 82.4% | ▲ 2.0% |
| March | 85.3% | 78.3% | ▼ 8.2% |
| April | 93.3% | 58.6% | ▼ 37.2% |
| May | 75.0% | 45.2% | ▼ 39.8% |
| June | 89.7% | 44.4% | ▼ 50.4% |
| July | 71.0% | 58.3% | ▼ 17.8% |
| August | 73.8% | – | – |
| September | 93.0% | – | – |
| October | 69.8% | – | in progress |
| November | 86.2% | – | – |
| December | 77.8% | – | – |
| Year-to-date average (Jan–Jul) | 83.0% | 65.1% | ▼ 21.6% |
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 | 2 | 0.0% |
| February | 0 | 1 | – |
| March | 2 | 3 | ▲ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 7 | ▲ 75.0% |
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 98.2% 601
- Cancelled 1.8% 11
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 |
|---|---|---|---|---|
| STL MCI St. Louis Lambert International Airport – Kansas City International Airport | 380 | 8.1 min | 77.6% | 110 |
| STL LAS St. Louis Lambert International Airport – Harry Reid International Airport | 2,202 | 8.2 min | 78.7% | 61 |
| LAS CMH Harry Reid International Airport – John Glenn Columbus International Airport | 2,843 | 27.9 min | 46.6% | 58 |
| ONT OAK Ontario International Airport – Oakland San Francisco Bay Airport | 582 | 3.2 min | 84.1% | 44 |
| BWI MYR Baltimore/Washington International Thurgood Marshall Airport – Myrtle Beach International Airport | 644 | 17.5 min | 76.2% | 42 |
| MCI MDW Kansas City International Airport – Chicago Midway International Airport | 650 | 23.5 min | 42.5% | 41 |
| MCO BWI Orlando International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,269 | 11.9 min | 84.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 27 | 27 | 77.8% | 0 |
| December 2024 | 30 | 30 | 66.7% | 0 |
| January 2025 | 31 | 29 | 86.2% | 2 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 36 | 34 | 85.3% | 2 |
| April 2025 | 15 | 15 | 93.3% | 0 |
| May 2025 | 8 | 8 | 75.0% | 0 |
| June 2025 | 29 | 29 | 89.7% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 42 | 42 | 73.8% | 0 |
| September 2025 | 43 | 43 | 93.0% | 0 |
| October 2025 | 43 | 43 | 69.8% | 0 |
| November 2025 | 29 | 29 | 86.2% | 0 |
| December 2025 | 18 | 18 | 77.8% | 0 |
| January 2026 | 28 | 26 | 88.5% | 2 |
| February 2026 | 18 | 17 | 82.4% | 1 |
| March 2026 | 26 | 23 | 78.3% | 3 |
| April 2026 | 29 | 29 | 58.6% | 0 |
| May 2026 | 31 | 31 | 45.2% | 0 |
| June 2026 | 27 | 27 | 44.4% | 0 |
| July 2026 | 25 | 24 | 58.3% | 1 |