WN510
WN510 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Las Vegas to Austin. Of 818 departures recorded from October 2024 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 818 flights
- Average delay7.7 min
- July 202655▲ 27.9%vs July 2025
- Cancelled0.0%
- Legs flown under this number42
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 | 36 | ▲ 20.0% |
| February | 34 | 33 | ▼ 2.9% |
| March | 46 | 55 | ▲ 19.6% |
| April | 21 | 38 | ▲ 81.0% |
| May | 12 | 36 | ▲ 200.0% |
| June | 41 | 49 | ▲ 19.5% |
| July | 43 | 55 | ▲ 27.9% |
| August | 42 | – | – |
| September | 42 | – | – |
| October | 39 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 227 | 302 | ▲ 33.0% |
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% | 72.2% | ▼ 25.3% |
| February | 94.1% | 66.7% | ▼ 29.2% |
| March | 80.4% | 80.0% | ▼ 0.5% |
| April | 85.7% | 65.8% | ▼ 23.2% |
| May | 100.0% | 58.3% | ▼ 41.7% |
| June | 80.5% | 69.4% | ▼ 13.8% |
| July | 90.7% | 76.4% | ▼ 15.8% |
| August | 90.5% | – | – |
| September | 81.0% | – | – |
| October | 69.2% | – | in progress |
| November | 96.7% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 89.7% | 69.8% | ▼ 22.2% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 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 100.0% 818
- Cancelled 0.0% 0
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 79.0% | 0 |
| November 2024 | 38 | 38 | 97.4% | 0 |
| December 2024 | 48 | 48 | 97.9% | 0 |
| January 2025 | 30 | 30 | 96.7% | 0 |
| February 2025 | 34 | 34 | 94.1% | 0 |
| March 2025 | 46 | 46 | 80.4% | 0 |
| April 2025 | 21 | 21 | 85.7% | 0 |
| May 2025 | 12 | 12 | 100.0% | 0 |
| June 2025 | 41 | 41 | 80.5% | 0 |
| July 2025 | 43 | 43 | 90.7% | 0 |
| August 2025 | 42 | 42 | 90.5% | 0 |
| September 2025 | 42 | 42 | 81.0% | 0 |
| October 2025 | 39 | 39 | 69.2% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 36 | 36 | 72.2% | 0 |
| February 2026 | 33 | 33 | 66.7% | 0 |
| March 2026 | 55 | 55 | 80.0% | 0 |
| April 2026 | 38 | 38 | 65.8% | 0 |
| May 2026 | 36 | 36 | 58.3% | 0 |
| June 2026 | 49 | 49 | 69.4% | 0 |
| July 2026 | 55 | 55 | 76.4% | 0 |