WN1929
WN1929 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Las Vegas to Nashville. Of 543 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 543 flights
- Average delay13.4 min
- July 20267▼ 77.4%vs July 2025
- Cancelled0.9%
- Legs flown under this number32
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 | 2 | 30 | ▲ 1,400.0% |
| February | – | 17 | – |
| March | 18 | 34 | ▲ 88.9% |
| April | 22 | 34 | ▲ 54.5% |
| May | 23 | 34 | ▲ 47.8% |
| June | 29 | 11 | ▼ 62.1% |
| July | 31 | 7 | ▼ 77.4% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 45 | – | – |
| December | 57 | – | – |
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 | 100.0% | 86.2% | ▼ 13.8% |
| February | – | 76.5% | – |
| March | 83.3% | 54.8% | ▼ 34.2% |
| April | 95.5% | 79.4% | ▼ 16.8% |
| May | 77.3% | 91.2% | ▲ 18.0% |
| June | 48.3% | 63.6% | ▲ 31.8% |
| July | 51.6% | 42.9% | ▼ 17.0% |
| August | 72.4% | – | – |
| September | 73.3% | – | – |
| October | 56.7% | – | in progress |
| November | 80.0% | – | – |
| December | 64.9% | – | – |
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 | 1 | – |
| February | – | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| 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 99.1% 538
- Cancelled 0.9% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| LAS BNA Harry Reid International Airport – Nashville International Airport | 2,549 | 22.1 min | 47.5% | 61 |
| DAL CHS Dallas Love Field – Charleston International Airport | 1,568 | 14.9 min | 73.5% | 49 |
| CHS BWI Charleston International Airport – Baltimore/Washington International Thurgood Marshall Airport | 761 | 4.4 min | 85.7% | 49 |
| BNA DCA Nashville International Airport – Ronald Reagan Washington National Airport | 903 | 11.6 min | 76.1% | 46 |
| MDW DEN Chicago Midway International Airport – Denver International Airport | 1,438 | 2.2 min | 90.2% | 42 |
| STL DAL St. Louis Lambert International Airport – Dallas Love Field | 878 | 5.5 min | 77.5% | 41 |
| PVD BWI Rhode Island T. F. Green International Airport – Baltimore/Washington International Thurgood Marshall Airport | 526 | 24.5 min | 56.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 73.3% | 0 |
| November 2024 | 14 | 14 | 92.9% | 0 |
| December 2024 | 16 | 16 | 100.0% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 18 | 18 | 83.3% | 0 |
| April 2025 | 22 | 22 | 95.5% | 0 |
| May 2025 | 23 | 22 | 77.3% | 1 |
| June 2025 | 29 | 29 | 48.3% | 0 |
| July 2025 | 31 | 31 | 51.6% | 0 |
| August 2025 | 29 | 29 | 72.4% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 30 | 30 | 56.7% | 0 |
| November 2025 | 45 | 45 | 80.0% | 0 |
| December 2025 | 57 | 57 | 64.9% | 0 |
| January 2026 | 30 | 29 | 86.2% | 1 |
| February 2026 | 17 | 17 | 76.5% | 0 |
| March 2026 | 34 | 31 | 54.8% | 3 |
| April 2026 | 34 | 34 | 79.4% | 0 |
| May 2026 | 34 | 34 | 91.2% | 0 |
| June 2026 | 11 | 11 | 63.6% | 0 |
| July 2026 | 7 | 7 | 42.9% | 0 |