WN3491
WN3491 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Dallas to Las Vegas. Of 479 departures recorded from October 2024 to July 2026, 76.2% left on time, according to the US BTS.
- On-time departures76.2%of 479 flights
- Average delay12.9 min
- July 202617▼ 43.3%vs July 2025
- Cancelled0.2%
- Legs flown under this number22
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 | 13 | 6 | ▼ 53.8% |
| February | 17 | – | – |
| March | 12 | 34 | ▲ 183.3% |
| April | 26 | 37 | ▲ 42.3% |
| May | 31 | 39 | ▲ 25.8% |
| June | 30 | 18 | ▼ 40.0% |
| July | 30 | 17 | ▼ 43.3% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | 4 | – | in progress |
| November | 39 | – | – |
| December | 47 | – | – |
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 | 53.9% | 83.3% | ▲ 54.7% |
| February | 93.8% | – | – |
| March | 75.0% | 91.2% | ▲ 21.6% |
| April | 92.3% | 73.0% | ▼ 21.0% |
| May | 87.1% | 25.6% | ▼ 70.6% |
| June | 93.3% | 77.8% | ▼ 16.7% |
| July | 80.0% | 58.8% | ▼ 26.5% |
| August | 87.5% | – | – |
| September | 75.0% | – | – |
| October | 50.0% | – | in progress |
| November | 92.3% | – | – |
| December | 80.9% | – | – |
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 | 0 | – |
| February | 1 | – | – |
| 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 | – | – |
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 99.8% 478
- Cancelled 0.2% 1
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 17.3 min | 69.6% | 80 |
| SLC OAK Salt Lake City International Airport – Oakland San Francisco Bay Airport | 945 | 0.9 min | 96.7% | 60 |
| SMF DEN Sacramento International Airport – Denver International Airport | 1,460 | 4.8 min | 89.7% | 58 |
| MSY DEN Louis Armstrong New Orleans International Airport – Denver International Airport | 1,708 | 34.0 min | 38.0% | 50 |
| TUS DEN Tucson International Airport – Denver International Airport | 1,029 | 1.7 min | 94.1% | 34 |
| LAS BNA Harry Reid International Airport – Nashville International Airport | 2,549 | 4.2 min | 90.9% | 33 |
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 14.6 min | 71.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 26 | 26 | 69.2% | 0 |
| December 2024 | 25 | 25 | 64.0% | 0 |
| January 2025 | 13 | 13 | 53.9% | 0 |
| February 2025 | 17 | 16 | 93.8% | 1 |
| March 2025 | 12 | 12 | 75.0% | 0 |
| April 2025 | 26 | 26 | 92.3% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 30 | 30 | 80.0% | 0 |
| August 2025 | 8 | 8 | 87.5% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 4 | 4 | 50.0% | 0 |
| November 2025 | 39 | 39 | 92.3% | 0 |
| December 2025 | 47 | 47 | 80.9% | 0 |
| January 2026 | 6 | 6 | 83.3% | 0 |
| March 2026 | 34 | 34 | 91.2% | 0 |
| April 2026 | 37 | 37 | 73.0% | 0 |
| May 2026 | 39 | 39 | 25.6% | 0 |
| June 2026 | 18 | 18 | 77.8% | 0 |
| July 2026 | 17 | 17 | 58.8% | 0 |