WN4856
WN4856 (Southwest Airlines) is a multi-stop service on 12 routes, busiest El Paso to Austin. Of 199 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.
- On-time departures79.7%of 199 flights
- Average delay8.5 min
- July 202630▲ 650.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number12
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 | 3 | 27 | ▲ 800.0% |
| February | 4 | 27 | ▲ 575.0% |
| March | 1 | 4 | ▲ 300.0% |
| April | 8 | – | – |
| May | 8 | – | – |
| June | 6 | 27 | ▲ 350.0% |
| July | 4 | 30 | ▲ 650.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 6 | – | – |
| December | 28 | – | – |
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 | 100.0% | 88.0% | ▼ 12.0% |
| February | 75.0% | 100.0% | ▲ 33.3% |
| March | 100.0% | 100.0% | 0.0% |
| April | 100.0% | – | – |
| May | 75.0% | – | – |
| June | 66.7% | 59.3% | ▼ 11.1% |
| July | 50.0% | 66.7% | ▲ 33.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | 67.9% | – | – |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| 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% 197
- Cancelled 1.0% 2
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ELP AUS El Paso International Airport – Austin Bergstrom International Airport | 849 | 17.0 min | 63.2% | 57 |
| DAL AMA Dallas Love Field – Rick Husband Amarillo International Airport | 520 | -2.6 min | 98.0% | 53 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 100.0% | 0 |
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 3 | 3 | 100.0% | 0 |
| February 2025 | 4 | 4 | 75.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 8 | 8 | 100.0% | 0 |
| May 2025 | 8 | 8 | 75.0% | 0 |
| June 2025 | 6 | 6 | 66.7% | 0 |
| July 2025 | 4 | 4 | 50.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 6 | 6 | 100.0% | 0 |
| December 2025 | 28 | 28 | 67.9% | 0 |
| January 2026 | 27 | 25 | 88.0% | 2 |
| February 2026 | 27 | 27 | 100.0% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 27 | 27 | 59.3% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |