WN1243
WN1243 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Austin to Washington. Of 801 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 801 flights
- Average delay13.3 min
- July 202631▲ 47.6%vs July 2025
- Cancelled0.9%
- Legs flown under this number38
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 | 53 | 27 | ▼ 49.1% |
| February | 52 | 20 | ▼ 61.5% |
| March | 21 | 30 | ▲ 42.9% |
| April | 42 | 30 | ▼ 28.6% |
| May | 61 | 31 | ▼ 49.2% |
| June | 24 | 30 | ▲ 25.0% |
| July | 21 | 31 | ▲ 47.6% |
| August | 60 | – | – |
| September | 64 | – | – |
| October | 26 | – | in progress |
| November | 34 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 274 | 199 | ▼ 27.4% |
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 | 90.4% | 84.6% | ▼ 6.4% |
| February | 63.5% | 95.0% | ▲ 49.7% |
| March | 81.0% | 41.4% | ▼ 48.9% |
| April | 70.0% | 46.7% | ▼ 33.3% |
| May | 85.3% | 41.9% | ▼ 50.8% |
| June | 75.0% | 93.3% | ▲ 24.4% |
| July | 85.7% | 93.6% | ▲ 9.1% |
| August | 85.0% | – | – |
| September | 90.6% | – | – |
| October | 46.2% | – | in progress |
| November | 71.9% | – | – |
| December | 87.9% | – | – |
| Year-to-date average (Jan–Jul) | 78.7% | 70.9% | ▼ 9.9% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
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% 794
- Cancelled 0.9% 7
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 | 29 | 29 | 93.1% | 0 |
| November 2024 | 38 | 38 | 84.2% | 0 |
| December 2024 | 44 | 44 | 63.6% | 0 |
| January 2025 | 53 | 52 | 90.4% | 1 |
| February 2025 | 52 | 52 | 63.5% | 0 |
| March 2025 | 21 | 21 | 81.0% | 0 |
| April 2025 | 42 | 40 | 70.0% | 2 |
| May 2025 | 61 | 61 | 85.3% | 0 |
| June 2025 | 24 | 24 | 75.0% | 0 |
| July 2025 | 21 | 21 | 85.7% | 0 |
| August 2025 | 60 | 60 | 85.0% | 0 |
| September 2025 | 64 | 64 | 90.6% | 0 |
| October 2025 | 26 | 26 | 46.2% | 0 |
| November 2025 | 34 | 32 | 71.9% | 2 |
| December 2025 | 33 | 33 | 87.9% | 0 |
| January 2026 | 27 | 26 | 84.6% | 1 |
| February 2026 | 20 | 20 | 95.0% | 0 |
| March 2026 | 30 | 29 | 41.4% | 1 |
| April 2026 | 30 | 30 | 46.7% | 0 |
| May 2026 | 31 | 31 | 41.9% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |