WN4079
WN4079 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Orlando to Nashville. Of 384 departures recorded from October 2024 to July 2026, 69.5% left on time, according to the US BTS.
- On-time departures69.5%of 384 flights
- Average delay16.5 min
- July 20264▼ 84.6%vs July 2025
- Cancelled0.3%
- Legs flown under this number24
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | – | – |
| February | 28 | 3 | ▼ 89.3% |
| March | 43 | 15 | ▼ 65.1% |
| April | 17 | 27 | ▲ 58.8% |
| May | 9 | 31 | ▲ 244.4% |
| June | 23 | 7 | ▼ 69.6% |
| July | 26 | 4 | ▼ 84.6% |
| August | 7 | – | – |
| September | 4 | – | – |
| October | 41 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 67.9% | – | – |
| February | 71.4% | 33.3% | ▼ 53.3% |
| March | 86.1% | 80.0% | ▼ 7.0% |
| April | 88.2% | 74.1% | ▼ 16.1% |
| May | 88.9% | 51.6% | ▼ 41.9% |
| June | 54.6% | 42.9% | ▼ 21.4% |
| July | 42.3% | 100.0% | ▲ 136.4% |
| August | 71.4% | – | – |
| September | 100.0% | – | – |
| October | 61.0% | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 99.7% 383
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCO BNA Orlando International Airport – Nashville International Airport | 993 | 17.2 min | 70.4% | 108 |
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | 31.9 min | 50.0% | 59 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 21.8 min | 60.3% | 58 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | 10.8 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 86.4% | 0 |
| November 2024 | 25 | 25 | 80.0% | 0 |
| December 2024 | 23 | 23 | 65.2% | 0 |
| January 2025 | 28 | 28 | 67.9% | 0 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 43 | 43 | 86.1% | 0 |
| April 2025 | 17 | 17 | 88.2% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 23 | 22 | 54.6% | 1 |
| July 2025 | 26 | 26 | 42.3% | 0 |
| August 2025 | 7 | 7 | 71.4% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 41 | 41 | 61.0% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| February 2026 | 3 | 3 | 33.3% | 0 |
| March 2026 | 15 | 15 | 80.0% | 0 |
| April 2026 | 27 | 27 | 74.1% | 0 |
| May 2026 | 31 | 31 | 51.6% | 0 |
| June 2026 | 7 | 7 | 42.9% | 0 |
| July 2026 | 4 | 4 | 100.0% | 0 |