WN4454
WN4454 (Southwest Airlines) is a multi-stop service on 10 routes, busiest Long Beach to Sacramento. Of 231 departures recorded from October 2024 to July 2026, 83.0% left on time, according to the US BTS.
- On-time departures83.0%of 231 flights
- Average delay5.9 min
- July 202623
- Cancelled0.4%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 3 | – |
| February | – | – | – |
| March | – | 19 | – |
| April | 3 | 28 | ▲ 833.3% |
| May | 4 | 30 | ▲ 650.0% |
| June | 1 | 22 | ▲ 2,100.0% |
| July | – | 23 | – |
| August | 27 | – | – |
| September | 30 | – | – |
| October | 14 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 33.3% | – |
| February | – | – | – |
| March | – | 72.2% | – |
| April | 66.7% | 100.0% | ▲ 50.0% |
| May | 75.0% | 96.7% | ▲ 28.9% |
| June | 100.0% | 90.9% | ▼ 9.1% |
| July | – | 73.9% | – |
| August | 100.0% | – | – |
| September | 96.7% | – | – |
| October | 57.1% | – | in progress |
| November | 66.7% | – | – |
| December | 18.2% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.6% 230
- Cancelled 0.4% 1
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB SMF Long Beach International Airport – Sacramento International Airport | 624 | -6.5 min | 98.3% | 58 |
| STL DEN St. Louis Lambert International Airport – Denver International Airport | 1,236 | -0.1 min | 96.5% | 57 |
| LAX SMF Los Angeles International Airport – Sacramento International Airport | 600 | 7.1 min | 83.3% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 66.7% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 27 | 27 | 100.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 14 | 14 | 57.1% | 0 |
| November 2025 | 6 | 6 | 66.7% | 0 |
| December 2025 | 11 | 11 | 18.2% | 0 |
| January 2026 | 3 | 3 | 33.3% | 0 |
| March 2026 | 19 | 18 | 72.2% | 1 |
| April 2026 | 28 | 28 | 100.0% | 0 |
| May 2026 | 30 | 30 | 96.7% | 0 |
| June 2026 | 22 | 22 | 90.9% | 0 |
| July 2026 | 23 | 23 | 73.9% | 0 |