WN188
WN188 (Southwest Airlines) is a multi-stop service on 51 routes, busiest Los Angeles to Houston. Of 834 departures recorded from October 2024 to July 2026, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 834 flights
- Average delay11.5 min
- July 202646▲ 12.2%vs July 2025
- Cancelled0.5%
- Legs flown under this number51
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 | 40 | 36 | ▼ 10.0% |
| February | 39 | 28 | ▼ 28.2% |
| March | 33 | 19 | ▼ 42.4% |
| April | 39 | 47 | ▲ 20.5% |
| May | 40 | 57 | ▲ 42.5% |
| June | 39 | 47 | ▲ 20.5% |
| July | 41 | 46 | ▲ 12.2% |
| August | 20 | – | – |
| September | 17 | – | – |
| October | 31 | – | in progress |
| November | 56 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 271 | 280 | ▲ 3.3% |
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 | 89.7% | 80.0% | ▼ 10.9% |
| February | 86.8% | 78.6% | ▼ 9.5% |
| March | 57.6% | 83.3% | ▲ 44.7% |
| April | 89.7% | 80.9% | ▼ 9.9% |
| May | 85.0% | 68.4% | ▼ 19.5% |
| June | 92.3% | 51.1% | ▼ 44.7% |
| July | 97.6% | 37.0% | ▼ 62.1% |
| August | 85.0% | – | – |
| September | 52.9% | – | – |
| October | 83.9% | – | in progress |
| November | 83.9% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.5% | 68.5% | ▼ 20.0% |
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 | 1 | 1 | 0.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| 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) | 2 | 2 | 0.0% |
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 99.5% 830
- Cancelled 0.5% 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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 34 | 34 | 97.1% | 0 |
| December 2024 | 43 | 43 | 81.4% | 0 |
| January 2025 | 40 | 39 | 89.7% | 1 |
| February 2025 | 39 | 38 | 86.8% | 1 |
| March 2025 | 33 | 33 | 57.6% | 0 |
| April 2025 | 39 | 39 | 89.7% | 0 |
| May 2025 | 40 | 40 | 85.0% | 0 |
| June 2025 | 39 | 39 | 92.3% | 0 |
| July 2025 | 41 | 41 | 97.6% | 0 |
| August 2025 | 20 | 20 | 85.0% | 0 |
| September 2025 | 17 | 17 | 52.9% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 56 | 56 | 83.9% | 0 |
| December 2025 | 62 | 62 | 80.7% | 0 |
| January 2026 | 36 | 35 | 80.0% | 1 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 19 | 18 | 83.3% | 1 |
| April 2026 | 47 | 47 | 80.9% | 0 |
| May 2026 | 57 | 57 | 68.4% | 0 |
| June 2026 | 47 | 47 | 51.1% | 0 |
| July 2026 | 46 | 46 | 37.0% | 0 |