WN3239
WN3239 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Chicago to Los Angeles. Of 565 departures recorded from October 2024 to July 2026, 70.1% left on time, according to the US BTS.
- On-time departures70.1%of 565 flights
- Average delay16.5 min
- July 202617▼ 45.2%vs July 2025
- Cancelled0.7%
- Legs flown under this number17
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 | 28 | 22 | ▼ 21.4% |
| February | 16 | 19 | ▲ 18.8% |
| March | 29 | 34 | ▲ 17.2% |
| April | 27 | 31 | ▲ 14.8% |
| May | 28 | 30 | ▲ 7.1% |
| June | 29 | 19 | ▼ 34.5% |
| July | 31 | 17 | ▼ 45.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | 36 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 188 | 172 | ▼ 8.5% |
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 | 78.6% | 72.7% | ▼ 7.4% |
| February | 80.0% | 89.5% | ▲ 11.8% |
| March | 72.4% | 85.3% | ▲ 17.8% |
| April | 74.1% | 61.3% | ▼ 17.3% |
| May | 51.9% | 43.3% | ▼ 16.4% |
| June | 93.1% | 79.0% | ▼ 15.2% |
| July | 90.3% | 88.2% | ▼ 2.3% |
| August | 54.8% | – | – |
| September | 53.3% | – | – |
| October | 100.0% | – | in progress |
| November | 62.9% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 77.2% | 74.2% | ▼ 3.9% |
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 | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 99.3% 561
- Cancelled 0.7% 4
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 29 | 29 | 58.6% | 0 |
| December 2024 | 30 | 29 | 62.1% | 1 |
| January 2025 | 28 | 28 | 78.6% | 0 |
| February 2025 | 16 | 15 | 80.0% | 1 |
| March 2025 | 29 | 29 | 72.4% | 0 |
| April 2025 | 27 | 27 | 74.1% | 0 |
| May 2025 | 28 | 27 | 51.9% | 1 |
| June 2025 | 29 | 29 | 93.1% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 54.8% | 0 |
| September 2025 | 30 | 30 | 53.3% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 36 | 35 | 62.9% | 1 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 22 | 22 | 72.7% | 0 |
| February 2026 | 19 | 19 | 89.5% | 0 |
| March 2026 | 34 | 34 | 85.3% | 0 |
| April 2026 | 31 | 31 | 61.3% | 0 |
| May 2026 | 30 | 30 | 43.3% | 0 |
| June 2026 | 19 | 19 | 79.0% | 0 |
| July 2026 | 17 | 17 | 88.2% | 0 |