WN3040
WN3040 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Denver to Las Vegas. Of 478 departures recorded from October 2024 to July 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 478 flights
- Average delay10.3 min
- July 20264▼ 81.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number21
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 | 25 | 16 | ▼ 36.0% |
| February | 26 | 16 | ▼ 38.5% |
| March | 17 | 29 | ▲ 70.6% |
| April | 26 | 9 | ▼ 65.4% |
| May | 30 | 4 | ▼ 86.7% |
| June | 22 | 4 | ▼ 81.8% |
| July | 22 | 4 | ▼ 81.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 33 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 168 | 82 | ▼ 51.2% |
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 | 92.0% | 81.3% | ▼ 11.7% |
| February | 96.2% | 93.8% | ▼ 2.5% |
| March | 64.7% | 85.7% | ▲ 32.5% |
| April | 76.0% | 88.9% | ▲ 17.0% |
| May | 56.7% | 50.0% | ▼ 11.8% |
| June | 68.2% | 50.0% | ▼ 26.7% |
| July | 72.7% | 100.0% | ▲ 37.5% |
| August | 76.7% | – | – |
| September | 90.0% | – | – |
| October | 77.4% | – | in progress |
| November | 51.5% | – | – |
| December | 67.5% | – | – |
| Year-to-date average (Jan–Jul) | 75.2% | 78.5% | ▲ 4.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.2% 474
- Cancelled 0.8% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 0.2 min | 93.3% | 91 |
| DEN ONT Denver International Airport – Ontario International Airport | 1,316 | 12.0 min | 66.1% | 57 |
| AUS LAS Austin Bergstrom International Airport – Harry Reid International Airport | 1,752 | 4.9 min | 84.0% | 50 |
| PHX COS Phoenix Sky Harbor International Airport – City of Colorado Springs Municipal Airport | 887 | 15.3 min | 65.2% | 46 |
| CMH MDW John Glenn Columbus International Airport – Chicago Midway International Airport | 454 | 6.5 min | 84.4% | 33 |
| HOU ONT William P. Hobby Airport – Ontario International Airport | 2,160 | 14.6 min | 73.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 24 | 23 | 78.3% | 1 |
| January 2025 | 25 | 25 | 92.0% | 0 |
| February 2025 | 26 | 26 | 96.2% | 0 |
| March 2025 | 17 | 17 | 64.7% | 0 |
| April 2025 | 26 | 25 | 76.0% | 1 |
| May 2025 | 30 | 30 | 56.7% | 0 |
| June 2025 | 22 | 22 | 68.2% | 0 |
| July 2025 | 22 | 22 | 72.7% | 0 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 33 | 33 | 51.5% | 0 |
| December 2025 | 40 | 40 | 67.5% | 0 |
| January 2026 | 16 | 16 | 81.3% | 0 |
| February 2026 | 16 | 16 | 93.8% | 0 |
| March 2026 | 29 | 28 | 85.7% | 1 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 4 | 4 | 50.0% | 0 |
| July 2026 | 4 | 3 | 100.0% | 1 |