WN1519
WN1519 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Dallas to Nashville. Of 659 departures recorded from October 2024 to July 2026, 82.2% left on time, according to the US BTS.
- On-time departures82.2%of 659 flights
- Average delay10.6 min
- July 202635▲ 94.4%vs July 2025
- Cancelled0.3%
- Legs flown under this number35
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 | 13 | 25 | ▲ 92.3% |
| February | 19 | 27 | ▲ 42.1% |
| March | 37 | 31 | ▼ 16.2% |
| April | 32 | 38 | ▲ 18.8% |
| May | 31 | 39 | ▲ 25.8% |
| June | 18 | 36 | ▲ 100.0% |
| July | 18 | 35 | ▲ 94.4% |
| August | 29 | – | – |
| September | 31 | – | – |
| October | 40 | – | in progress |
| November | 41 | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jul) | 168 | 231 | ▲ 37.5% |
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 | 100.0% | 76.0% | ▼ 24.0% |
| February | 89.5% | 44.4% | ▼ 50.3% |
| March | 75.0% | 90.0% | ▲ 20.0% |
| April | 78.1% | 92.1% | ▲ 17.9% |
| May | 93.6% | 87.2% | ▼ 6.8% |
| June | 88.9% | 83.3% | ▼ 6.3% |
| July | 94.4% | 77.1% | ▼ 18.3% |
| August | 82.8% | – | – |
| September | 74.2% | – | – |
| October | 82.5% | – | in progress |
| November | 82.9% | – | – |
| December | 70.8% | – | – |
| Year-to-date average (Jan–Jul) | 88.5% | 78.6% | ▼ 11.2% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.7% 657
- Cancelled 0.3% 2
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 |
|---|---|---|---|---|
| DAL BNA Dallas Love Field – Nashville International Airport | 1,000 | 13.0 min | 75.8% | 62 |
| DEN ATL Denver International Airport – Hartsfield Jackson Atlanta International Airport | 1,927 | 4.8 min | 93.2% | 59 |
| SAN OAK San Diego International Airport – Oakland San Francisco Bay Airport | 718 | 1.9 min | 91.4% | 58 |
| BNA LAX Nashville International Airport – Los Angeles International Airport | 2,886 | 2.1 min | 93.1% | 58 |
| DEN MCO Denver International Airport – Orlando International Airport | 2,486 | 21.0 min | 56.6% | 53 |
| DCA STL Ronald Reagan Washington National Airport – St. Louis Lambert International Airport | 1,154 | 7.5 min | 87.0% | 46 |
| BUR LAS Hollywood Burbank/Bob Hope Airport – Harry Reid International Airport | 359 | 11.4 min | 73.8% | 42 |
| PHL BNA Philadelphia International Airport – Nashville International Airport | 1,084 | 2.2 min | 96.9% | 33 |
| MCO STL Orlando International Airport – St. Louis Lambert International Airport | 1,420 | 16.4 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 33 | 33 | 84.9% | 0 |
| November 2024 | 32 | 32 | 87.5% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 13 | 13 | 100.0% | 0 |
| February 2025 | 19 | 19 | 89.5% | 0 |
| March 2025 | 37 | 36 | 75.0% | 1 |
| April 2025 | 32 | 32 | 78.1% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 18 | 18 | 88.9% | 0 |
| July 2025 | 18 | 18 | 94.4% | 0 |
| August 2025 | 29 | 29 | 82.8% | 0 |
| September 2025 | 31 | 31 | 74.2% | 0 |
| October 2025 | 40 | 40 | 82.5% | 0 |
| November 2025 | 41 | 41 | 82.9% | 0 |
| December 2025 | 24 | 24 | 70.8% | 0 |
| January 2026 | 25 | 25 | 76.0% | 0 |
| February 2026 | 27 | 27 | 44.4% | 0 |
| March 2026 | 31 | 30 | 90.0% | 1 |
| April 2026 | 38 | 38 | 92.1% | 0 |
| May 2026 | 39 | 39 | 87.2% | 0 |
| June 2026 | 36 | 36 | 83.3% | 0 |
| July 2026 | 35 | 35 | 77.1% | 0 |