WN4715
WN4715 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Houston to Los Angeles. Of 195 departures recorded from October 2024 to July 2026, 80.3% left on time, according to the US BTS.
- On-time departures80.3%of 195 flights
- Average delay7.3 min
- July 20263▼ 85.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number16
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 | 25 | 3 | ▼ 88.0% |
| February | 24 | 17 | ▼ 29.2% |
| March | 8 | 9 | ▲ 12.5% |
| April | 1 | 1 | 0.0% |
| May | – | – | – |
| June | 20 | 4 | ▼ 80.0% |
| July | 20 | 3 | ▼ 85.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
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 | 78.3% | 66.7% | ▼ 14.8% |
| February | 83.3% | 82.4% | ▼ 1.2% |
| March | 62.5% | 88.9% | ▲ 42.2% |
| April | 100.0% | 0.0% | ▼ 100.0% |
| May | – | – | – |
| June | 85.0% | 75.0% | ▼ 11.8% |
| July | 95.0% | 66.7% | ▼ 29.8% |
| August | 75.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| December | 50.0% | – | – |
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 | – | – | in progress |
| November | 0 | – | – |
| December | 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 99.0% 193
- Cancelled 1.0% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 26, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU LAX William P. Hobby Airport – Los Angeles International Airport | 2,233 | 7.4 min | 76.7% | 92 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 21 | 21 | 76.2% | 0 |
| December 2024 | 21 | 21 | 76.2% | 0 |
| January 2025 | 25 | 23 | 78.3% | 2 |
| February 2025 | 24 | 24 | 83.3% | 0 |
| March 2025 | 8 | 8 | 62.5% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 20 | 20 | 85.0% | 0 |
| July 2025 | 20 | 20 | 95.0% | 0 |
| August 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 9 | 9 | 88.9% | 0 |
| April 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 4 | 4 | 75.0% | 0 |
| July 2026 | 3 | 3 | 66.7% | 0 |