WN4771
WN4771 (Southwest Airlines) is a multi-stop service on 10 routes, busiest Nashville to Miami. Of 168 departures recorded from October 2024 to July 2026, 82.4% left on time, according to the US BTS.
- On-time departures82.4%of 168 flights
- Average delay8.4 min
- July 202621▲ 162.5%vs July 2025
- Cancelled1.8%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 29 | ▲ 2,800.0% |
| February | – | 28 | – |
| March | – | 4 | – |
| April | 3 | – | – |
| May | 4 | – | – |
| June | 9 | 16 | ▲ 77.8% |
| July | 8 | 21 | ▲ 162.5% |
| August | 2 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 5 | – | – |
| December | 10 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 89.3% | – |
| February | – | 82.1% | – |
| March | – | 50.0% | – |
| April | 33.3% | – | – |
| May | 75.0% | – | – |
| June | 88.9% | 100.0% | ▲ 12.5% |
| July | 87.5% | 90.5% | ▲ 3.4% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 75.0% | – | – |
| December | 22.2% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
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 98.2% 165
- Cancelled 1.8% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA MIA Nashville International Airport – Miami International Airport | 1,299 | 8.8 min | 82.5% | 58 |
| RDU HOU Raleigh-Durham International Airport – William P. Hobby Airport | 1,688 | 2.8 min | 97.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 100.0% | 0 |
| November 2024 | 14 | 14 | 92.9% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| April 2025 | 3 | 3 | 33.3% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 9 | 9 | 88.9% | 0 |
| July 2025 | 8 | 8 | 87.5% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 5 | 4 | 75.0% | 1 |
| December 2025 | 10 | 9 | 22.2% | 1 |
| January 2026 | 29 | 28 | 89.3% | 1 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 16 | 16 | 100.0% | 0 |
| July 2026 | 21 | 21 | 90.5% | 0 |