WN1379
WN1379 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Dallas to Washington. Of 609 departures recorded from October 2024 to July 2026, 81.1% left on time, according to the US BTS.
- On-time departures81.1%of 609 flights
- Average delay10.1 min
- July 202618▼ 33.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number26
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 | 38 | 30 | ▼ 21.1% |
| February | 33 | 28 | ▼ 15.2% |
| March | 31 | 31 | 0.0% |
| April | 30 | 22 | ▼ 26.7% |
| May | 31 | 23 | ▼ 25.8% |
| June | 26 | 17 | ▼ 34.6% |
| July | 27 | 18 | ▼ 33.3% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 19 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 216 | 169 | ▼ 21.8% |
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 | 91.7% | 89.3% | ▼ 2.6% |
| February | 93.9% | 89.3% | ▼ 4.9% |
| March | 87.1% | 93.6% | ▲ 7.4% |
| April | 96.7% | 86.4% | ▼ 10.7% |
| May | 90.3% | 87.0% | ▼ 3.7% |
| June | 42.3% | 87.5% | ▲ 106.8% |
| July | 48.2% | 100.0% | ▲ 107.7% |
| August | 79.3% | – | – |
| September | 96.7% | – | – |
| October | 63.0% | – | in progress |
| November | 84.2% | – | – |
| December | 40.0% | – | – |
| Year-to-date average (Jan–Jul) | 78.6% | 90.4% | ▲ 15.0% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.2% 604
- Cancelled 0.8% 5
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 | 23 | 23 | 95.7% | 0 |
| November 2024 | 35 | 35 | 82.9% | 0 |
| December 2024 | 46 | 46 | 56.5% | 0 |
| January 2025 | 38 | 36 | 91.7% | 2 |
| February 2025 | 33 | 33 | 93.9% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 26 | 26 | 42.3% | 0 |
| July 2025 | 27 | 27 | 48.2% | 0 |
| August 2025 | 29 | 29 | 79.3% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 27 | 27 | 63.0% | 0 |
| November 2025 | 19 | 19 | 84.2% | 0 |
| December 2025 | 15 | 15 | 40.0% | 0 |
| January 2026 | 30 | 28 | 89.3% | 2 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 31 | 93.6% | 0 |
| April 2026 | 22 | 22 | 86.4% | 0 |
| May 2026 | 23 | 23 | 87.0% | 0 |
| June 2026 | 17 | 16 | 87.5% | 1 |
| July 2026 | 18 | 18 | 100.0% | 0 |