WN673
WN673 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Austin to Nashville. Of 691 departures recorded from October 2024 to July 2026, 74.6% left on time, according to the US BTS.
- On-time departures74.6%of 691 flights
- Average delay13.2 min
- July 202634▼ 42.4%vs July 2025
- Cancelled0.9%
- Legs flown under this number36
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 | 33 | 18 | ▼ 45.5% |
| February | 34 | 27 | ▼ 20.6% |
| March | 46 | 30 | ▼ 34.8% |
| April | 30 | 17 | ▼ 43.3% |
| May | 27 | 13 | ▼ 51.9% |
| June | 49 | 33 | ▼ 32.7% |
| July | 59 | 34 | ▼ 42.4% |
| August | 41 | – | – |
| September | 38 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 278 | 172 | ▼ 38.1% |
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 | 81.3% | 86.7% | ▲ 6.7% |
| February | 85.3% | 96.3% | ▲ 12.9% |
| March | 65.2% | 82.8% | ▲ 26.9% |
| April | 73.3% | 82.4% | ▲ 12.3% |
| May | 74.1% | 84.6% | ▲ 14.2% |
| June | 57.1% | 27.3% | ▼ 52.3% |
| July | 91.5% | 41.2% | ▼ 55.0% |
| August | 61.0% | – | – |
| September | 78.4% | – | – |
| October | 90.3% | – | in progress |
| November | 96.2% | – | – |
| December | 96.3% | – | – |
| Year-to-date average (Jan–Jul) | 75.4% | 71.6% | ▼ 5.1% |
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 | 1 | 3 | ▲ 200.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 99.1% 685
- Cancelled 0.9% 6
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 21 | 21 | 71.4% | 0 |
| December 2024 | 37 | 37 | 62.2% | 0 |
| January 2025 | 33 | 32 | 81.3% | 1 |
| February 2025 | 34 | 34 | 85.3% | 0 |
| March 2025 | 46 | 46 | 65.2% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 27 | 27 | 74.1% | 0 |
| June 2025 | 49 | 49 | 57.1% | 0 |
| July 2025 | 59 | 59 | 91.5% | 0 |
| August 2025 | 41 | 41 | 61.0% | 0 |
| September 2025 | 38 | 37 | 78.4% | 1 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 26 | 26 | 96.2% | 0 |
| December 2025 | 27 | 27 | 96.3% | 0 |
| January 2026 | 18 | 15 | 86.7% | 3 |
| February 2026 | 27 | 27 | 96.3% | 0 |
| March 2026 | 30 | 29 | 82.8% | 1 |
| April 2026 | 17 | 17 | 82.4% | 0 |
| May 2026 | 13 | 13 | 84.6% | 0 |
| June 2026 | 33 | 33 | 27.3% | 0 |
| July 2026 | 34 | 34 | 41.2% | 0 |