WN4064
WN4064 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Houston to Fort Lauderdale. Of 337 departures recorded from October 2024 to July 2026, 79.9% left on time, according to the US BTS.
- On-time departures79.9%of 337 flights
- Average delay9.6 min
- July 202616▼ 42.9%vs July 2025
- Cancelled2.4%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 2 | ▼ 91.7% |
| February | 18 | 1 | ▼ 94.4% |
| March | 30 | 28 | ▼ 6.7% |
| April | 19 | 27 | ▲ 42.1% |
| May | 17 | 26 | ▲ 52.9% |
| June | 24 | 18 | ▼ 25.0% |
| July | 28 | 16 | ▼ 42.9% |
| August | 3 | – | – |
| September | – | – | – |
| October | 4 | – | in progress |
| November | 2 | – | – |
| December | 9 | – | – |
| Year to date (Jan–Jul) | 160 | 118 | ▼ 26.3% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.2% | 50.0% | ▼ 34.4% |
| February | 88.9% | 100.0% | ▲ 12.5% |
| March | 75.9% | 25.9% | ▼ 65.8% |
| April | 89.5% | 77.8% | ▼ 13.1% |
| May | 94.1% | 73.1% | ▼ 22.4% |
| June | 95.7% | 88.9% | ▼ 7.1% |
| July | 96.2% | 75.0% | ▼ 22.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 88.0% | 70.1% | ▼ 20.4% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 1 | ▼ 85.7% |
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 97.6% 329
- Cancelled 2.4% 8
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU FLL William P. Hobby Airport – Fort Lauderdale Hollywood International Airport | 1,538 | 10.6 min | 81.0% | 66 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | -1.3 min | 95.9% | 52 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 8.5 min | 80.0% | 50 |
| PIT RSW Pittsburgh International Airport – Southwest Florida International Airport | 1,558 | 15.9 min | 78.1% | 33 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | -0.6 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 9 | 9 | 88.9% | 0 |
| December 2024 | 14 | 14 | 78.6% | 0 |
| January 2025 | 24 | 21 | 76.2% | 3 |
| February 2025 | 18 | 18 | 88.9% | 0 |
| March 2025 | 30 | 29 | 75.9% | 1 |
| April 2025 | 19 | 19 | 89.5% | 0 |
| May 2025 | 17 | 17 | 94.1% | 0 |
| June 2025 | 24 | 23 | 95.7% | 1 |
| July 2025 | 28 | 26 | 96.2% | 2 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 9 | 9 | 100.0% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 28 | 27 | 25.9% | 1 |
| April 2026 | 27 | 27 | 77.8% | 0 |
| May 2026 | 26 | 26 | 73.1% | 0 |
| June 2026 | 18 | 18 | 88.9% | 0 |
| July 2026 | 16 | 16 | 75.0% | 0 |