WN859
WN859 (Southwest Airlines) is a multi-stop service on 46 routes, busiest Austin to Los Angeles. Of 785 departures recorded from October 2024 to July 2026, 82.0% left on time, according to the US BTS.
- On-time departures82.0%of 785 flights
- Average delay9.1 min
- July 202640▼ 7.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number46
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 35 | ▲ 16.7% |
| February | 34 | 29 | ▼ 14.7% |
| March | 38 | 55 | ▲ 44.7% |
| April | 32 | 36 | ▲ 12.5% |
| May | 30 | 31 | ▲ 3.3% |
| June | 42 | 37 | ▼ 11.9% |
| July | 43 | 40 | ▼ 7.0% |
| August | 30 | – | – |
| September | 26 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 249 | 263 | ▲ 5.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.7% | 82.4% | ▼ 14.8% |
| February | 91.2% | 79.3% | ▼ 13.0% |
| March | 91.9% | 66.7% | ▼ 27.4% |
| April | 93.8% | 83.3% | ▼ 11.1% |
| May | 96.7% | 90.3% | ▼ 6.6% |
| June | 70.7% | 67.6% | ▼ 4.5% |
| July | 79.1% | 60.0% | ▼ 24.1% |
| August | 83.3% | – | – |
| September | 84.6% | – | – |
| October | 71.0% | – | in progress |
| November | 76.7% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 88.6% | 75.6% | ▼ 14.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 99.5% 781
- Cancelled 0.5% 4
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS LAX Austin Bergstrom International Airport – Los Angeles International Airport | 1,995 | -1.7 min | 97.8% | 91 |
| BNA CMH Nashville International Airport – John Glenn Columbus International Airport | 543 | 9.3 min | 75.0% | 64 |
| GEG DEN Spokane International Airport – Denver International Airport | 1,343 | 14.3 min | 70.2% | 57 |
| BWI FLL Baltimore/Washington International Thurgood Marshall Airport – Fort Lauderdale Hollywood International Airport | 1,493 | 1.5 min | 96.5% | 57 |
| LGB SMF Long Beach International Airport – Sacramento International Airport | 624 | 5.7 min | 88.1% | 43 |
| SAT BNA San Antonio International Airport – Nashville International Airport | 1,322 | 22.4 min | 62.5% | 33 |
| BNA OMA Nashville International Airport – Eppley Airfield | 985 | 1.7 min | 90.6% | 33 |
| AUS FLL Austin Bergstrom International Airport – Fort Lauderdale Hollywood International Airport | 1,775 | 7.3 min | 90.6% | 32 |
| DEN SAT Denver International Airport – San Antonio International Airport | 1,280 | 40.9 min | 41.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 28 | 28 | 96.4% | 0 |
| November 2024 | 53 | 53 | 96.2% | 0 |
| December 2024 | 44 | 44 | 84.1% | 0 |
| January 2025 | 30 | 30 | 96.7% | 0 |
| February 2025 | 34 | 34 | 91.2% | 0 |
| March 2025 | 38 | 37 | 91.9% | 1 |
| April 2025 | 32 | 32 | 93.8% | 0 |
| May 2025 | 30 | 30 | 96.7% | 0 |
| June 2025 | 42 | 41 | 70.7% | 1 |
| July 2025 | 43 | 43 | 79.1% | 0 |
| August 2025 | 30 | 30 | 83.3% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 31 | 31 | 71.0% | 0 |
| November 2025 | 30 | 30 | 76.7% | 0 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 35 | 34 | 82.4% | 1 |
| February 2026 | 29 | 29 | 79.3% | 0 |
| March 2026 | 55 | 54 | 66.7% | 1 |
| April 2026 | 36 | 36 | 83.3% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 37 | 37 | 67.6% | 0 |
| July 2026 | 40 | 40 | 60.0% | 0 |