WN4787
WN4787 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Las Vegas to El Paso. Of 348 departures recorded from October 2024 to July 2026, 76.5% left on time, according to the US BTS.
- On-time departures76.5%of 348 flights
- Average delay11.8 min
- July 202614▼ 64.1%vs July 2025
- Cancelled1.2%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 32 | – |
| February | – | 48 | – |
| March | 20 | 10 | ▼ 50.0% |
| April | 16 | 4 | ▼ 75.0% |
| May | 11 | 4 | ▼ 63.6% |
| June | 37 | 12 | ▼ 67.6% |
| July | 39 | 14 | ▼ 64.1% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 2 | – | – |
| December | 18 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 96.7% | – |
| February | – | 74.5% | – |
| March | 60.0% | 77.8% | ▲ 29.6% |
| April | 81.3% | 75.0% | ▼ 7.7% |
| May | 81.8% | 25.0% | ▼ 69.4% |
| June | 83.8% | 41.7% | ▼ 50.3% |
| July | 59.0% | 71.4% | ▲ 21.1% |
| August | 86.4% | – | – |
| September | 90.5% | – | – |
| October | 96.7% | – | in progress |
| November | 100.0% | – | – |
| December | 44.4% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | – | 1 | – |
| 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 | – | – |
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 98.9% 344
- Cancelled 1.1% 4
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS ELP Harry Reid International Airport – El Paso International Airport | 938 | 24.2 min | 66.7% | 51 |
| STL CLT St. Louis Lambert International Airport – Charlotte Douglas International Airport | 924 | 0.8 min | 92.7% | 42 |
| RSW MCO Southwest Florida International Airport – Orlando International Airport | 215 | -4.0 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 100.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 20 | 20 | 60.0% | 0 |
| April 2025 | 16 | 16 | 81.3% | 0 |
| May 2025 | 11 | 11 | 81.8% | 0 |
| June 2025 | 37 | 37 | 83.8% | 0 |
| July 2025 | 39 | 39 | 59.0% | 0 |
| August 2025 | 22 | 22 | 86.4% | 0 |
| September 2025 | 21 | 21 | 90.5% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 18 | 18 | 44.4% | 0 |
| January 2026 | 32 | 30 | 96.7% | 2 |
| February 2026 | 48 | 47 | 74.5% | 1 |
| March 2026 | 10 | 9 | 77.8% | 1 |
| April 2026 | 4 | 4 | 75.0% | 0 |
| May 2026 | 4 | 4 | 25.0% | 0 |
| June 2026 | 12 | 12 | 41.7% | 0 |
| July 2026 | 14 | 14 | 71.4% | 0 |