WN3143
WN3143 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Las Vegas to Long Beach. Of 562 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 562 flights
- Average delay11.9 min
- July 202631▼ 20.5%vs July 2025
- Cancelled0.5%
- Legs flown under this number28
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 6 | 29 | ▲ 383.3% |
| February | 18 | 21 | ▲ 16.7% |
| March | 67 | 3 | ▼ 95.5% |
| April | 50 | 3 | ▼ 94.0% |
| May | 45 | 6 | ▼ 86.7% |
| June | 39 | 27 | ▼ 30.8% |
| July | 39 | 31 | ▼ 20.5% |
| August | 14 | – | – |
| September | 9 | – | – |
| October | 31 | – | in progress |
| November | 25 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 264 | 120 | ▼ 54.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 83.3% | 82.1% | ▼ 1.4% |
| February | 41.2% | 81.0% | ▲ 96.6% |
| March | 88.1% | 100.0% | ▲ 13.6% |
| April | 78.0% | 66.7% | ▼ 14.5% |
| May | 73.3% | 50.0% | ▼ 31.8% |
| June | 79.5% | 88.9% | ▲ 11.8% |
| July | 84.6% | 87.1% | ▲ 2.9% |
| August | 85.7% | – | – |
| September | 100.0% | – | – |
| October | 83.9% | – | in progress |
| November | 68.0% | – | – |
| December | 74.1% | – | – |
| Year-to-date average (Jan–Jul) | 75.4% | 79.4% | ▲ 5.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 559
- Cancelled 0.5% 3
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS LGB Harry Reid International Airport – Long Beach International Airport | 372 | 9.1 min | 78.7% | 61 |
| ONT BWI Ontario International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,666 | 4.6 min | 87.9% | 58 |
| LAS COS Harry Reid International Airport – City of Colorado Springs Municipal Airport | 970 | 15.1 min | 70.4% | 54 |
| DCA STL Ronald Reagan Washington National Airport – St. Louis Lambert International Airport | 1,154 | 10.5 min | 87.0% | 47 |
| BWI AUS Baltimore/Washington International Thurgood Marshall Airport – Austin Bergstrom International Airport | 2,156 | 8.8 min | 83.3% | 42 |
| AUS LAS Austin Bergstrom International Airport – Harry Reid International Airport | 1,752 | 25.8 min | 65.0% | 40 |
| TPA DEN Tampa International Airport – Denver International Airport | 2,423 | 7.1 min | 80.7% | 31 |
| TUS DEN Tucson International Airport – Denver International Airport | 1,029 | 11.8 min | 79.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 32 | 31 | 83.9% | 1 |
| December 2024 | 24 | 24 | 54.2% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| February 2025 | 18 | 17 | 41.2% | 1 |
| March 2025 | 67 | 67 | 88.1% | 0 |
| April 2025 | 50 | 50 | 78.0% | 0 |
| May 2025 | 45 | 45 | 73.3% | 0 |
| June 2025 | 39 | 39 | 79.5% | 0 |
| July 2025 | 39 | 39 | 84.6% | 0 |
| August 2025 | 14 | 14 | 85.7% | 0 |
| September 2025 | 9 | 9 | 100.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 25 | 25 | 68.0% | 0 |
| December 2025 | 27 | 27 | 74.1% | 0 |
| January 2026 | 29 | 28 | 82.1% | 1 |
| February 2026 | 21 | 21 | 81.0% | 0 |
| March 2026 | 3 | 3 | 100.0% | 0 |
| April 2026 | 3 | 3 | 66.7% | 0 |
| May 2026 | 6 | 6 | 50.0% | 0 |
| June 2026 | 27 | 27 | 88.9% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |