WN4322
WN4322 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Sacramento to Burbank. Of 418 departures recorded from October 2024 to July 2026, 73.7% left on time, according to the US BTS.
- On-time departures73.7%of 418 flights
- Average delay11.5 min
- July 202647
- Cancelled1.0%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 12 | ▲ 140.0% |
| February | 7 | 15 | ▲ 114.3% |
| March | 47 | 2 | ▼ 95.7% |
| April | 21 | 24 | ▲ 14.3% |
| May | 13 | 30 | ▲ 130.8% |
| June | 1 | 46 | ▲ 4,500.0% |
| July | – | 47 | – |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 30 | – | – |
| December | 33 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 63.6% | ▼ 36.4% |
| February | 100.0% | 71.4% | ▼ 28.6% |
| March | 91.5% | 50.0% | ▼ 45.3% |
| April | 81.0% | 70.8% | ▼ 12.5% |
| May | 92.3% | 63.3% | ▼ 31.4% |
| June | 100.0% | 56.5% | ▼ 43.5% |
| July | – | 72.3% | – |
| August | 88.0% | – | – |
| September | 66.7% | – | – |
| October | 100.0% | – | in progress |
| November | 62.1% | – | – |
| December | 66.7% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 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 99.0% 414
- Cancelled 1.0% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF BUR Sacramento International Airport – Hollywood Burbank/Bob Hope Airport | 577 | 9.7 min | 72.6% | 114 |
| BWI LAX Baltimore/Washington International Thurgood Marshall Airport – Los Angeles International Airport | 3,740 | 13.5 min | 67.4% | 49 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | 20.0 min | 66.7% | 46 |
| LAX SLC Los Angeles International Airport – Salt Lake City International Airport | 949 | 17.3 min | 61.8% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 82.6% | 0 |
| November 2024 | 4 | 4 | 75.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 5 | 5 | 100.0% | 0 |
| February 2025 | 7 | 7 | 100.0% | 0 |
| March 2025 | 47 | 47 | 91.5% | 0 |
| April 2025 | 21 | 21 | 81.0% | 0 |
| May 2025 | 13 | 13 | 92.3% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 26 | 25 | 88.0% | 1 |
| September 2025 | 30 | 30 | 66.7% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 30 | 29 | 62.1% | 1 |
| December 2025 | 33 | 33 | 66.7% | 0 |
| January 2026 | 12 | 11 | 63.6% | 1 |
| February 2026 | 15 | 14 | 71.4% | 1 |
| March 2026 | 2 | 2 | 50.0% | 0 |
| April 2026 | 24 | 24 | 70.8% | 0 |
| May 2026 | 30 | 30 | 63.3% | 0 |
| June 2026 | 46 | 46 | 56.5% | 0 |
| July 2026 | 47 | 47 | 72.3% | 0 |