WN3579
WN3579 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Sacramento to Long Beach. Of 609 departures recorded from October 2024 to July 2026, 65.7% left on time, according to the US BTS.
- On-time departures65.7%of 609 flights
- Average delay21.2 min
- July 202636▼ 16.3%vs July 2025
- Cancelled2.3%
- Legs flown under this number22
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 | 12 | ▼ 57.1% |
| February | 26 | 32 | ▲ 23.1% |
| March | 30 | 26 | ▼ 13.3% |
| April | 30 | 37 | ▲ 23.3% |
| May | 31 | 39 | ▲ 25.8% |
| June | 42 | 37 | ▼ 11.9% |
| July | 43 | 36 | ▼ 16.3% |
| August | 25 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 230 | 219 | ▼ 4.8% |
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 | 92.9% | 70.0% | ▼ 24.6% |
| February | 76.9% | 96.9% | ▲ 25.9% |
| March | 100.0% | 22.7% | ▼ 77.3% |
| April | 93.3% | 50.0% | ▼ 46.4% |
| May | 74.2% | 55.3% | ▼ 25.5% |
| June | 47.5% | 64.9% | ▲ 36.5% |
| July | 56.1% | 44.4% | ▼ 20.8% |
| August | 32.0% | – | – |
| September | 66.7% | – | – |
| October | 76.7% | – | in progress |
| November | 60.0% | – | – |
| December | 41.2% | – | – |
| Year-to-date average (Jan–Jul) | 77.3% | 57.7% | ▼ 25.3% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 2 | 4 | ▲ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 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 97.7% 595
- Cancelled 2.3% 14
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 | 17 | 17 | 94.1% | 0 |
| November 2024 | 18 | 18 | 83.3% | 0 |
| December 2024 | 12 | 12 | 58.3% | 0 |
| January 2025 | 28 | 28 | 92.9% | 0 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 30 | 28 | 100.0% | 2 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 42 | 40 | 47.5% | 2 |
| July 2025 | 43 | 41 | 56.1% | 2 |
| August 2025 | 25 | 25 | 32.0% | 0 |
| September 2025 | 21 | 21 | 66.7% | 0 |
| October 2025 | 30 | 30 | 76.7% | 0 |
| November 2025 | 20 | 20 | 60.0% | 0 |
| December 2025 | 17 | 17 | 41.2% | 0 |
| January 2026 | 12 | 10 | 70.0% | 2 |
| February 2026 | 32 | 32 | 96.9% | 0 |
| March 2026 | 26 | 22 | 22.7% | 4 |
| April 2026 | 37 | 36 | 50.0% | 1 |
| May 2026 | 39 | 38 | 55.3% | 1 |
| June 2026 | 37 | 37 | 64.9% | 0 |
| July 2026 | 36 | 36 | 44.4% | 0 |