WN575
WN575 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Kansas City to Washington. Of 651 departures recorded from October 2024 to July 2026, 77.1% left on time, according to the US BTS.
- On-time departures77.1%of 651 flights
- Average delay10.7 min
- July 202633▲ 50.0%vs July 2025
- Cancelled0.6%
- 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 | 35 | 27 | ▼ 22.9% |
| February | 33 | 27 | ▼ 18.2% |
| March | 32 | 27 | ▼ 15.6% |
| April | 22 | 29 | ▲ 31.8% |
| May | 21 | 31 | ▲ 47.6% |
| June | 21 | 34 | ▲ 61.9% |
| July | 22 | 33 | ▲ 50.0% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 31 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 186 | 208 | ▲ 11.8% |
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 | 81.8% | 85.2% | ▲ 4.1% |
| February | 75.8% | 77.8% | ▲ 2.7% |
| March | 96.8% | 96.3% | ▼ 0.5% |
| April | 77.3% | 72.4% | ▼ 6.3% |
| May | 76.2% | 48.4% | ▼ 36.5% |
| June | 76.2% | 67.7% | ▼ 11.2% |
| July | 95.5% | 57.6% | ▼ 39.7% |
| August | 86.2% | – | – |
| September | 93.3% | – | – |
| October | 38.7% | – | in progress |
| November | 67.7% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–Jul) | 82.8% | 72.2% | ▼ 12.8% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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 99.4% 647
- Cancelled 0.6% 4
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 81.0% | 0 |
| November 2024 | 37 | 37 | 94.6% | 0 |
| December 2024 | 47 | 47 | 83.0% | 0 |
| January 2025 | 35 | 33 | 81.8% | 2 |
| February 2025 | 33 | 33 | 75.8% | 0 |
| March 2025 | 32 | 31 | 96.8% | 1 |
| April 2025 | 22 | 22 | 77.3% | 0 |
| May 2025 | 21 | 21 | 76.2% | 0 |
| June 2025 | 21 | 21 | 76.2% | 0 |
| July 2025 | 22 | 22 | 95.5% | 0 |
| August 2025 | 29 | 29 | 86.2% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 38.7% | 0 |
| November 2025 | 31 | 31 | 67.7% | 0 |
| December 2025 | 31 | 30 | 73.3% | 1 |
| January 2026 | 27 | 27 | 85.2% | 0 |
| February 2026 | 27 | 27 | 77.8% | 0 |
| March 2026 | 27 | 27 | 96.3% | 0 |
| April 2026 | 29 | 29 | 72.4% | 0 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 34 | 34 | 67.7% | 0 |
| July 2026 | 33 | 33 | 57.6% | 0 |