WN1339
WN1339 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Kansas City to Washington. Of 725 departures recorded from October 2024 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 725 flights
- Average delay8.1 min
- July 202635▲ 16.7%vs July 2025
- Cancelled1.5%
- Legs flown under this number27
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 | 31 | 26 | ▼ 16.1% |
| February | 28 | 34 | ▲ 21.4% |
| March | 19 | 32 | ▲ 68.4% |
| April | 40 | 33 | ▼ 17.5% |
| May | 43 | 36 | ▼ 16.3% |
| June | 33 | 34 | ▲ 3.0% |
| July | 30 | 35 | ▲ 16.7% |
| August | 52 | – | – |
| September | 56 | – | – |
| October | 40 | – | in progress |
| November | 16 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 224 | 230 | ▲ 2.7% |
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 | 82.1% | 92.0% | ▲ 12.0% |
| February | 70.4% | 90.6% | ▲ 28.8% |
| March | 77.8% | 84.4% | ▲ 8.5% |
| April | 77.5% | 75.8% | ▼ 2.2% |
| May | 86.1% | 88.9% | ▲ 3.3% |
| June | 93.9% | 73.5% | ▼ 21.7% |
| July | 83.3% | 60.0% | ▼ 28.0% |
| August | 92.3% | – | – |
| September | 96.4% | – | – |
| October | 38.5% | – | in progress |
| November | 86.7% | – | – |
| December | 88.0% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 80.7% | ▼ 1.0% |
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 | 3 | 1 | ▼ 66.7% |
| February | 1 | 2 | ▲ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 98.5% 714
- Cancelled 1.5% 11
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 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 33 | 33 | 75.8% | 0 |
| January 2025 | 31 | 28 | 82.1% | 3 |
| February 2025 | 28 | 27 | 70.4% | 1 |
| March 2025 | 19 | 18 | 77.8% | 1 |
| April 2025 | 40 | 40 | 77.5% | 0 |
| May 2025 | 43 | 43 | 86.1% | 0 |
| June 2025 | 33 | 33 | 93.9% | 0 |
| July 2025 | 30 | 30 | 83.3% | 0 |
| August 2025 | 52 | 52 | 92.3% | 0 |
| September 2025 | 56 | 55 | 96.4% | 1 |
| October 2025 | 40 | 39 | 38.5% | 1 |
| November 2025 | 16 | 15 | 86.7% | 1 |
| December 2025 | 25 | 25 | 88.0% | 0 |
| January 2026 | 26 | 25 | 92.0% | 1 |
| February 2026 | 34 | 32 | 90.6% | 2 |
| March 2026 | 32 | 32 | 84.4% | 0 |
| April 2026 | 33 | 33 | 75.8% | 0 |
| May 2026 | 36 | 36 | 88.9% | 0 |
| June 2026 | 34 | 34 | 73.5% | 0 |
| July 2026 | 35 | 35 | 60.0% | 0 |