WN1181
WN1181 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Houston to Kansas City. Of 755 departures recorded from October 2024 to July 2026, 82.1% left on time, according to the US BTS.
- On-time departures82.1%of 755 flights
- Average delay7.6 min
- July 202668▲ 119.4%vs July 2025
- Cancelled0.8%
- Legs flown under this number34
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 | 30 | 32 | ▲ 6.7% |
| February | 30 | 28 | ▼ 6.7% |
| March | 36 | 40 | ▲ 11.1% |
| April | 42 | 33 | ▼ 21.4% |
| May | 42 | 31 | ▼ 26.2% |
| June | 33 | 61 | ▲ 84.8% |
| July | 31 | 68 | ▲ 119.4% |
| August | 26 | – | – |
| September | 18 | – | – |
| October | 27 | – | in progress |
| November | 36 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 244 | 293 | ▲ 20.1% |
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 | 96.3% | 76.7% | ▼ 20.4% |
| February | 93.3% | 82.1% | ▼ 12.0% |
| March | 100.0% | 85.0% | ▼ 15.0% |
| April | 97.6% | 90.9% | ▼ 6.9% |
| May | 97.6% | 67.7% | ▼ 30.6% |
| June | 81.8% | 68.9% | ▼ 15.9% |
| July | 83.9% | 67.7% | ▼ 19.3% |
| August | 88.5% | – | – |
| September | 100.0% | – | – |
| October | 44.4% | – | in progress |
| November | 83.3% | – | – |
| December | 73.2% | – | – |
| Year-to-date average (Jan–Jul) | 92.9% | 77.0% | ▼ 17.2% |
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 | 3 | 2 | ▼ 33.3% |
| 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 | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 2 | ▼ 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 99.2% 749
- Cancelled 0.8% 6
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 | 26 | 26 | 84.6% | 0 |
| November 2024 | 16 | 16 | 93.8% | 0 |
| December 2024 | 28 | 28 | 78.6% | 0 |
| January 2025 | 30 | 27 | 96.3% | 3 |
| February 2025 | 30 | 30 | 93.3% | 0 |
| March 2025 | 36 | 35 | 100.0% | 1 |
| April 2025 | 42 | 42 | 97.6% | 0 |
| May 2025 | 42 | 42 | 97.6% | 0 |
| June 2025 | 33 | 33 | 81.8% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 26 | 26 | 88.5% | 0 |
| September 2025 | 18 | 18 | 100.0% | 0 |
| October 2025 | 27 | 27 | 44.4% | 0 |
| November 2025 | 36 | 36 | 83.3% | 0 |
| December 2025 | 41 | 41 | 73.2% | 0 |
| January 2026 | 32 | 30 | 76.7% | 2 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 40 | 40 | 85.0% | 0 |
| April 2026 | 33 | 33 | 90.9% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 61 | 61 | 68.9% | 0 |
| July 2026 | 68 | 68 | 67.7% | 0 |