WN3150
WN3150 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Las Vegas to Chicago. Of 571 departures recorded from October 2024 to July 2026, 74.7% left on time, according to the US BTS.
- On-time departures74.7%of 571 flights
- Average delay13.4 min
- July 202631▼ 49.2%vs July 2025
- Cancelled0.5%
- Legs flown under this number19
Recorded departures by month
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 | 26 | 28 | ▲ 7.7% |
| February | 24 | 18 | ▼ 25.0% |
| March | 14 | 30 | ▲ 114.3% |
| April | 26 | 26 | 0.0% |
| May | 31 | 26 | ▼ 16.1% |
| June | 48 | 30 | ▼ 37.5% |
| July | 61 | 31 | ▼ 49.2% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | 35 | – | in progress |
| November | 24 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 230 | 189 | ▼ 17.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 73.1% | 72.0% | ▼ 1.5% |
| February | 45.8% | 72.2% | ▲ 57.6% |
| March | 78.6% | 86.7% | ▲ 10.3% |
| April | 92.3% | 73.1% | ▼ 20.8% |
| May | 100.0% | 53.9% | ▼ 46.2% |
| June | 56.3% | 93.3% | ▲ 65.9% |
| July | 59.0% | 96.8% | ▲ 64.0% |
| August | 75.0% | – | – |
| September | 100.0% | – | – |
| October | 97.1% | – | in progress |
| November | 50.0% | – | – |
| December | 65.0% | – | – |
| Year-to-date average (Jan–Jul) | 72.2% | 78.3% | ▲ 8.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 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) | 0 | 3 |
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 99.5% 568
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 17.5 min | 68.0% | 97 |
| AUS BNA Austin Bergstrom International Airport – Nashville International Airport | 1,215 | 28.3 min | 48.3% | 60 |
| ONT LAS Ontario International Airport – Harry Reid International Airport | 317 | 3.4 min | 94.9% | 59 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | 2.1 min | 93.1% | 58 |
| MDW DCA Chicago Midway International Airport – Ronald Reagan Washington National Airport | 964 | 24.2 min | 64.0% | 50 |
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | 17.9 min | 75.0% | 47 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 19.5 min | 54.4% | 46 |
| HOU ELP William P. Hobby Airport – El Paso International Airport | 1,087 | 1.8 min | 87.5% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 87.5% | 0 |
| November 2024 | 25 | 25 | 80.0% | 0 |
| December 2024 | 20 | 20 | 70.0% | 0 |
| January 2025 | 26 | 26 | 73.1% | 0 |
| February 2025 | 24 | 24 | 45.8% | 0 |
| March 2025 | 14 | 14 | 78.6% | 0 |
| April 2025 | 26 | 26 | 92.3% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 48 | 48 | 56.3% | 0 |
| July 2025 | 61 | 61 | 59.0% | 0 |
| August 2025 | 8 | 8 | 75.0% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 35 | 35 | 97.1% | 0 |
| November 2025 | 24 | 24 | 50.0% | 0 |
| December 2025 | 20 | 20 | 65.0% | 0 |
| January 2026 | 28 | 25 | 72.0% | 3 |
| February 2026 | 18 | 18 | 72.2% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 26 | 26 | 73.1% | 0 |
| May 2026 | 26 | 26 | 53.9% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |