WN497
WN497 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Detroit to Nashville. Of 640 departures recorded from October 2024 to July 2026, 77.5% left on time, according to the US BTS.
- On-time departures77.5%of 640 flights
- Average delay12.4 min
- July 202627▼ 10.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number22
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 | 31 | 31 | 0.0% |
| February | 28 | 25 | ▼ 10.7% |
| March | 31 | 43 | ▲ 38.7% |
| April | 30 | 30 | 0.0% |
| May | 31 | 26 | ▼ 16.1% |
| June | 29 | 26 | ▼ 10.3% |
| July | 30 | 27 | ▼ 10.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 19 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 208 | ▼ 1.0% |
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 | 93.6% | 73.3% | ▼ 21.6% |
| February | 96.4% | 58.3% | ▼ 39.5% |
| March | 86.2% | 58.5% | ▼ 32.1% |
| April | 96.7% | 83.3% | ▼ 13.8% |
| May | 100.0% | 73.1% | ▼ 26.9% |
| June | 69.0% | 46.2% | ▼ 33.1% |
| July | 86.7% | 23.1% | ▼ 73.4% |
| August | 80.7% | – | – |
| September | 76.7% | – | – |
| October | 94.7% | – | in progress |
| November | 73.3% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 89.8% | 59.4% | ▼ 33.8% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 2 | 2 | 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) | 2 | 5 | ▲ 150.0% |
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 98.8% 632
- Cancelled 1.3% 8
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW BNA Detroit Metropolitan Wayne County Airport – Nashville International Airport | 735 | 3.1 min | 94.6% | 110 |
| RSW BWI Southwest Florida International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,483 | 16.2 min | 72.8% | 92 |
| HOU BWI William P. Hobby Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,003 | -1.2 min | 98.3% | 58 |
| BUR OAK Hollywood Burbank/Bob Hope Airport – Oakland San Francisco Bay Airport | 523 | 9.7 min | 79.3% | 58 |
| SMF BUR Sacramento International Airport – Hollywood Burbank/Bob Hope Airport | 577 | 8.4 min | 80.0% | 50 |
| BNA DCA Nashville International Airport – Ronald Reagan Washington National Airport | 903 | 49.8 min | 30.6% | 50 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 11.3 min | 83.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 30 | 29 | 89.7% | 1 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 93.6% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 29 | 86.2% | 2 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 29 | 29 | 69.0% | 0 |
| July 2025 | 30 | 30 | 86.7% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 19 | 19 | 94.7% | 0 |
| November 2025 | 30 | 30 | 73.3% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 30 | 73.3% | 1 |
| February 2026 | 25 | 24 | 58.3% | 1 |
| March 2026 | 43 | 41 | 58.5% | 2 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 26 | 26 | 73.1% | 0 |
| June 2026 | 26 | 26 | 46.2% | 0 |
| July 2026 | 27 | 26 | 23.1% | 1 |