WN578
WN578 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Reno to Oakland. Of 734 departures recorded from October 2024 to July 2026, 75.1% left on time, according to the US BTS.
- On-time departures75.1%of 734 flights
- Average delay12.1 min
- July 202633▲ 6.5%vs July 2025
- Cancelled0.5%
- Legs flown under this number34
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 34 | 47 | ▲ 38.2% |
| February | 28 | 44 | ▲ 57.1% |
| March | 23 | 57 | ▲ 147.8% |
| April | 28 | 38 | ▲ 35.7% |
| May | 30 | 36 | ▲ 20.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 33 | ▲ 6.5% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 204 | 285 | ▲ 39.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 100.0% | 85.1% | ▼ 14.9% |
| February | 96.2% | 68.2% | ▼ 29.1% |
| March | 63.6% | 77.2% | ▲ 21.3% |
| April | 92.9% | 71.1% | ▼ 23.5% |
| May | 90.0% | 42.9% | ▼ 52.4% |
| June | 73.3% | 46.7% | ▼ 36.4% |
| July | 58.1% | 42.4% | ▼ 26.9% |
| August | 77.4% | – | – |
| September | 56.7% | – | – |
| October | 87.1% | – | in progress |
| November | 75.0% | – | – |
| December | 75.9% | – | – |
| Year-to-date average (Jan–Jul) | 82.0% | 61.9% | ▼ 24.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 2 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 730
- 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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RNO OAK Reno Tahoe International Airport – Oakland San Francisco Bay Airport | 291 | -1.4 min | 96.7% | 123 |
| OAK LGB Oakland San Francisco Bay Airport – Long Beach International Airport | 569 | 15.8 min | 70.7% | 58 |
| DEN HOU Denver International Airport – William P. Hobby Airport | 1,422 | 2.4 min | 93.0% | 57 |
| BNA MDW Nashville International Airport – Chicago Midway International Airport | 636 | 36.6 min | 40.4% | 57 |
| DAL MCO Dallas Love Field – Orlando International Airport | 1,564 | 21.5 min | 49.0% | 50 |
| MCO AUS Orlando International Airport – Austin Bergstrom International Airport | 1,596 | 18.6 min | 67.4% | 43 |
| AUS IND Austin Bergstrom International Airport – Indianapolis International Airport | 1,479 | 7.1 min | 83.3% | 42 |
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | 8.1 min | 82.1% | 39 |
| BWI MCI Baltimore/Washington International Thurgood Marshall Airport – Kansas City International Airport | 1,552 | 4.3 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 34 | 34 | 91.2% | 0 |
| December 2024 | 42 | 42 | 92.9% | 0 |
| January 2025 | 34 | 34 | 100.0% | 0 |
| February 2025 | 28 | 26 | 96.2% | 2 |
| March 2025 | 23 | 22 | 63.6% | 1 |
| April 2025 | 28 | 28 | 92.9% | 0 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 31 | 58.1% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 56.7% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 28 | 28 | 75.0% | 0 |
| December 2025 | 29 | 29 | 75.9% | 0 |
| January 2026 | 47 | 47 | 85.1% | 0 |
| February 2026 | 44 | 44 | 68.2% | 0 |
| March 2026 | 57 | 57 | 77.2% | 0 |
| April 2026 | 38 | 38 | 71.1% | 0 |
| May 2026 | 36 | 35 | 42.9% | 1 |
| June 2026 | 30 | 30 | 46.7% | 0 |
| July 2026 | 33 | 33 | 42.4% | 0 |