WN3243
WN3243 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Las Vegas to San Jose. Of 542 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 542 flights
- Average delay11.7 min
- July 202614
- Cancelled1.5%
- Legs flown under this number25
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 | 29 | 17 | ▼ 41.4% |
| February | 36 | 17 | ▼ 52.8% |
| March | 6 | 60 | ▲ 900.0% |
| April | 11 | 61 | ▲ 454.5% |
| May | 14 | 55 | ▲ 292.9% |
| June | 2 | 21 | ▲ 950.0% |
| July | – | 14 | – |
| August | 23 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 50 | – | – |
| December | 30 | – | – |
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 | 69.0% | 92.9% | ▲ 34.6% |
| February | 66.7% | 82.4% | ▲ 23.5% |
| March | 100.0% | 66.7% | ▼ 33.3% |
| April | 100.0% | 75.0% | ▼ 25.0% |
| May | 78.6% | 76.4% | ▼ 2.8% |
| June | 100.0% | 90.5% | ▼ 9.5% |
| July | – | 85.7% | – |
| August | 95.7% | – | – |
| September | 84.6% | – | – |
| October | 74.1% | – | in progress |
| November | 63.3% | – | – |
| December | 76.7% | – | – |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| 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 98.5% 534
- Cancelled 1.5% 8
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 |
|---|---|---|---|---|
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | 16.4 min | 75.3% | 85 |
| ONT SMF Ontario International Airport – Sacramento International Airport | 627 | 0.7 min | 90.0% | 50 |
| STL LAX St. Louis Lambert International Airport – Los Angeles International Airport | 2,557 | 9.3 min | 83.3% | 42 |
| RNO LGB Reno Tahoe International Airport – Long Beach International Airport | 648 | 9.1 min | 82.9% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 100.0% | 0 |
| November 2024 | 19 | 19 | 84.2% | 0 |
| December 2024 | 14 | 14 | 71.4% | 0 |
| January 2025 | 29 | 29 | 69.0% | 0 |
| February 2025 | 36 | 36 | 66.7% | 0 |
| March 2025 | 6 | 6 | 100.0% | 0 |
| April 2025 | 11 | 11 | 100.0% | 0 |
| May 2025 | 14 | 14 | 78.6% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| August 2025 | 23 | 23 | 95.7% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 27 | 27 | 74.1% | 0 |
| November 2025 | 50 | 49 | 63.3% | 1 |
| December 2025 | 30 | 30 | 76.7% | 0 |
| January 2026 | 17 | 14 | 92.9% | 3 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 60 | 57 | 66.7% | 3 |
| April 2026 | 61 | 60 | 75.0% | 1 |
| May 2026 | 55 | 55 | 76.4% | 0 |
| June 2026 | 21 | 21 | 90.5% | 0 |
| July 2026 | 14 | 14 | 85.7% | 0 |