WN1350
WN1350 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Washington to Nashville. Of 657 departures recorded from October 2024 to July 2026, 84.0% left on time, according to the US BTS.
- On-time departures84.0%of 657 flights
- Average delay7.9 min
- July 202615▼ 51.6%vs July 2025
- Cancelled2.9%
- 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 | 60 | 31 | ▼ 48.3% |
| February | 56 | 28 | ▼ 50.0% |
| March | 50 | 19 | ▼ 62.0% |
| April | 40 | 27 | ▼ 32.5% |
| May | 42 | 32 | ▼ 23.8% |
| June | 30 | 14 | ▼ 53.3% |
| July | 31 | 15 | ▼ 51.6% |
| August | 15 | – | – |
| September | 13 | – | – |
| October | 27 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 309 | 166 | ▼ 46.3% |
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 | 77.8% | 100.0% | ▲ 28.6% |
| February | 91.1% | 92.9% | ▲ 2.0% |
| March | 87.8% | 73.7% | ▼ 16.0% |
| April | 94.7% | 92.6% | ▼ 2.3% |
| May | 92.9% | 81.3% | ▼ 12.5% |
| June | 83.3% | 57.1% | ▼ 31.4% |
| July | 74.2% | 73.3% | ▼ 1.2% |
| August | 50.0% | – | – |
| September | 15.4% | – | – |
| October | 100.0% | – | in progress |
| November | 74.1% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 86.0% | 81.6% | ▼ 5.1% |
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 | 6 | 3 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 9 | 3 | ▼ 66.7% |
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 97.1% 638
- Cancelled 2.9% 19
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| DCA BNA Ronald Reagan Washington National Airport – Nashville International Airport | 903 | 0.1 min | 94.6% | 58 |
| BNA TPA Nashville International Airport – Tampa International Airport | 987 | 16.0 min | 74.5% | 52 |
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | -2.8 min | 96.0% | 50 |
| BWI GSP Baltimore/Washington International Thurgood Marshall Airport – Greenville-Spartanburg International Airport | 685 | 3.8 min | 84.0% | 50 |
| SJC BUR Mineta San Jose International Airport – Hollywood Burbank/Bob Hope Airport | 477 | 0.5 min | 86.5% | 42 |
| RNO LAS Reno Tahoe International Airport – Harry Reid International Airport | 556 | 2.9 min | 89.2% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 100.0% | 0 |
| November 2024 | 27 | 27 | 100.0% | 0 |
| December 2024 | 29 | 28 | 89.3% | 1 |
| January 2025 | 60 | 54 | 77.8% | 6 |
| February 2025 | 56 | 56 | 91.1% | 0 |
| March 2025 | 50 | 49 | 87.8% | 1 |
| April 2025 | 40 | 38 | 94.7% | 2 |
| May 2025 | 42 | 42 | 92.9% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 15 | 14 | 50.0% | 1 |
| September 2025 | 13 | 13 | 15.4% | 0 |
| October 2025 | 27 | 27 | 100.0% | 0 |
| November 2025 | 29 | 27 | 74.1% | 2 |
| December 2025 | 31 | 28 | 71.4% | 3 |
| January 2026 | 31 | 28 | 100.0% | 3 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 19 | 19 | 73.7% | 0 |
| April 2026 | 27 | 27 | 92.6% | 0 |
| May 2026 | 32 | 32 | 81.3% | 0 |
| June 2026 | 14 | 14 | 57.1% | 0 |
| July 2026 | 15 | 15 | 73.3% | 0 |