WN1452
WN1452 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Nashville to Houston. Of 642 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 642 flights
- Average delay15.2 min
- July 20265▼ 83.9%vs July 2025
- Cancelled0.9%
- Legs flown under this number38
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 | 36 | 29 | ▼ 19.4% |
| February | 35 | 27 | ▼ 22.9% |
| March | 32 | 27 | ▼ 15.6% |
| April | 36 | 29 | ▼ 19.4% |
| May | 38 | 31 | ▼ 18.4% |
| June | 32 | 7 | ▼ 78.1% |
| July | 31 | 5 | ▼ 83.9% |
| August | 19 | – | – |
| September | 17 | – | – |
| October | 46 | – | in progress |
| November | 44 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 240 | 155 | ▼ 35.4% |
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 | 76.5% | 72.4% | ▼ 5.3% |
| February | 88.6% | 77.8% | ▼ 12.2% |
| March | 75.0% | 74.1% | ▼ 1.2% |
| April | 88.9% | 93.1% | ▲ 4.7% |
| May | 81.6% | 93.6% | ▲ 14.7% |
| June | 45.2% | 42.9% | ▼ 5.1% |
| July | 43.3% | 60.0% | ▲ 38.5% |
| August | 79.0% | – | – |
| September | 94.1% | – | – |
| October | 76.1% | – | in progress |
| November | 79.1% | – | – |
| December | 52.8% | – | – |
| Year-to-date average (Jan–Jul) | 71.3% | 73.4% | ▲ 3.0% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 0 | ▼ 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 99.1% 636
- Cancelled 0.9% 6
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 |
|---|---|---|---|---|
| BNA HOU Nashville International Airport – William P. Hobby Airport | 1,078 | 11.3 min | 78.2% | 103 |
| HOU ONT William P. Hobby Airport – Ontario International Airport | 2,160 | 11.7 min | 84.5% | 58 |
| CVG BNA Cincinnati Northern Kentucky International Airport – Nashville International Airport | 370 | -1.5 min | 94.8% | 58 |
| BWI CHS Baltimore/Washington International Thurgood Marshall Airport – Charleston International Airport | 761 | 55.1 min | 41.5% | 43 |
| BWI RSW Baltimore/Washington International Thurgood Marshall Airport – Southwest Florida International Airport | 1,483 | 13.6 min | 75.0% | 41 |
| ABQ HOU Albuquerque International Sunport – William P. Hobby Airport | 1,221 | 8.6 min | 78.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 96.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 30 | 30 | 63.3% | 0 |
| January 2025 | 36 | 34 | 76.5% | 2 |
| February 2025 | 35 | 35 | 88.6% | 0 |
| March 2025 | 32 | 32 | 75.0% | 0 |
| April 2025 | 36 | 36 | 88.9% | 0 |
| May 2025 | 38 | 38 | 81.6% | 0 |
| June 2025 | 32 | 31 | 45.2% | 1 |
| July 2025 | 31 | 30 | 43.3% | 1 |
| August 2025 | 19 | 19 | 79.0% | 0 |
| September 2025 | 17 | 17 | 94.1% | 0 |
| October 2025 | 46 | 46 | 76.1% | 0 |
| November 2025 | 44 | 43 | 79.1% | 1 |
| December 2025 | 37 | 36 | 52.8% | 1 |
| January 2026 | 29 | 29 | 72.4% | 0 |
| February 2026 | 27 | 27 | 77.8% | 0 |
| March 2026 | 27 | 27 | 74.1% | 0 |
| April 2026 | 29 | 29 | 93.1% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 7 | 7 | 42.9% | 0 |
| July 2026 | 5 | 5 | 60.0% | 0 |