WN4794
WN4794 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Houston to Harlingen. Of 151 departures recorded from October 2024 to July 2026, 63.1% left on time, according to the US BTS.
- On-time departures63.1%of 151 flights
- Average delay21.6 min
- July 202630
- Cancelled1.3%
- 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 periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 2 | ▼ 83.3% |
| February | 21 | 1 | ▼ 95.2% |
| March | 4 | – | – |
| April | 6 | – | – |
| May | 9 | – | – |
| June | 1 | 27 | ▲ 2,600.0% |
| July | – | 30 | – |
| August | – | – | – |
| 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 100.0% | ▲ 20.0% |
| February | 85.7% | 0.0% | ▼ 100.0% |
| March | 100.0% | – | – |
| April | 100.0% | – | – |
| May | 100.0% | – | – |
| June | 100.0% | 25.9% | ▼ 74.1% |
| July | – | 27.6% | – |
| August | – | – | – |
| 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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | – | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 1 | – |
| August | – | – | – |
| 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 98.7% 149
- Cancelled 1.3% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU HRL William P. Hobby Airport – Valley International Airport | 446 | 42.9 min | 26.8% | 57 |
| ISP BWI Long Island MacArthur Airport – Baltimore/Washington International Thurgood Marshall Airport | 353 | 2.4 min | 88.2% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 10 | 10 | 70.0% | 0 |
| December 2024 | 14 | 14 | 85.7% | 0 |
| January 2025 | 12 | 12 | 83.3% | 0 |
| February 2025 | 21 | 21 | 85.7% | 0 |
| March 2025 | 4 | 3 | 100.0% | 1 |
| April 2025 | 6 | 6 | 100.0% | 0 |
| May 2025 | 9 | 9 | 100.0% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 27 | 27 | 25.9% | 0 |
| July 2026 | 30 | 29 | 27.6% | 1 |