WN1052
WN1052 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Nashville to Denver. Of 690 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 690 flights
- Average delay13.4 min
- July 202640▲ 33.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number40
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 | 59 | 22 | ▼ 62.7% |
| February | 52 | 48 | ▼ 7.7% |
| March | 57 | 34 | ▼ 40.4% |
| April | 33 | 9 | ▼ 72.7% |
| May | 26 | 6 | ▼ 76.9% |
| June | 30 | 34 | ▲ 13.3% |
| July | 30 | 40 | ▲ 33.3% |
| August | 26 | – | – |
| September | 25 | – | – |
| October | 31 | – | in progress |
| November | 5 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 287 | 193 | ▼ 32.8% |
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 | 87.7% | 77.3% | ▼ 11.9% |
| February | 80.8% | 50.0% | ▼ 38.1% |
| March | 85.7% | 69.7% | ▼ 18.7% |
| April | 93.9% | 88.9% | ▼ 5.4% |
| May | 88.5% | 66.7% | ▼ 24.6% |
| June | 60.0% | 88.2% | ▲ 47.1% |
| July | 60.0% | 79.5% | ▲ 32.5% |
| August | 80.8% | – | – |
| September | 92.0% | – | – |
| October | 67.7% | – | in progress |
| November | 60.0% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 79.5% | 74.3% | ▼ 6.5% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 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) | 3 | 2 | ▼ 33.3% |
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 99.1% 684
- Cancelled 0.9% 6
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA DEN Nashville International Airport – Denver International Airport | 1,628 | 30.3 min | 60.0% | 60 |
| BWI PIT Baltimore/Washington International Thurgood Marshall Airport – Pittsburgh International Airport | 338 | 10.2 min | 80.4% | 57 |
| HOU SAN William P. Hobby Airport – San Diego International Airport | 2,109 | 5.1 min | 88.7% | 55 |
| PIT MDW Pittsburgh International Airport – Chicago Midway International Airport | 646 | 8.1 min | 92.0% | 50 |
| SAN LAS San Diego International Airport – Harry Reid International Airport | 417 | 6.3 min | 81.0% | 43 |
| LGB SMF Long Beach International Airport – Sacramento International Airport | 624 | 10.3 min | 85.0% | 40 |
| STL MDW St. Louis Lambert International Airport – Chicago Midway International Airport | 404 | 3.3 min | 84.6% | 39 |
| FLL BWI Fort Lauderdale Hollywood International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,493 | 19.2 min | 68.8% | 33 |
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | 17.8 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 43 | 42 | 90.5% | 1 |
| December 2024 | 58 | 58 | 72.4% | 0 |
| January 2025 | 59 | 57 | 87.7% | 2 |
| February 2025 | 52 | 52 | 80.8% | 0 |
| March 2025 | 57 | 56 | 85.7% | 1 |
| April 2025 | 33 | 33 | 93.9% | 0 |
| May 2025 | 26 | 26 | 88.5% | 0 |
| June 2025 | 30 | 30 | 60.0% | 0 |
| July 2025 | 30 | 30 | 60.0% | 0 |
| August 2025 | 26 | 26 | 80.8% | 0 |
| September 2025 | 25 | 25 | 92.0% | 0 |
| October 2025 | 31 | 31 | 67.7% | 0 |
| November 2025 | 5 | 5 | 60.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 22 | 22 | 77.3% | 0 |
| February 2026 | 48 | 48 | 50.0% | 0 |
| March 2026 | 34 | 33 | 69.7% | 1 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 6 | 6 | 66.7% | 0 |
| June 2026 | 34 | 34 | 88.2% | 0 |
| July 2026 | 40 | 39 | 79.5% | 1 |