WN4336
WN4336 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Sacramento to Las Vegas. Of 190 departures recorded from October 2024 to July 2026, 75.5% left on time, according to the US BTS.
- On-time departures75.5%of 190 flights
- Average delay11.5 min
- July 202614
- Cancelled1.1%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 4 | ▲ 100.0% |
| February | – | 1 | – |
| March | – | 1 | – |
| April | – | – | – |
| May | 1 | – | – |
| June | – | 11 | – |
| July | – | 14 | – |
| August | 27 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 37 | – | – |
| December | 25 | – | – |
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | 100.0% | – |
| March | – | 0.0% | – |
| April | – | – | – |
| May | 0.0% | – | – |
| June | – | 45.5% | – |
| July | – | 71.4% | – |
| August | 88.9% | – | – |
| September | 75.9% | – | – |
| October | 100.0% | – | in progress |
| November | 78.4% | – | – |
| December | 72.0% | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | – | – |
| May | 0 | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| 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 98.9% 188
- Cancelled 1.1% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF LAS Sacramento International Airport – Harry Reid International Airport | 639 | 7.2 min | 82.5% | 58 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 8.4 min | 69.1% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 55.0% | 0 |
| November 2024 | 5 | 5 | 100.0% | 0 |
| December 2024 | 11 | 11 | 100.0% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| August 2025 | 27 | 27 | 88.9% | 0 |
| September 2025 | 30 | 29 | 75.9% | 1 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 37 | 37 | 78.4% | 0 |
| December 2025 | 25 | 25 | 72.0% | 0 |
| January 2026 | 4 | 3 | 100.0% | 1 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 11 | 11 | 45.5% | 0 |
| July 2026 | 14 | 14 | 71.4% | 0 |