WN1321
WN1321 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Dallas to St Louis. Of 714 departures recorded from October 2024 to July 2026, 69.6% left on time, according to the US BTS.
- On-time departures69.6%of 714 flights
- Average delay16.3 min
- July 202648▲ 54.8%vs July 2025
- Cancelled1.1%
- Legs flown under this number35
according to the US BTS · Oct 13, 2024 → Jul 29, 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 | 29 | 31 | ▲ 6.9% |
| February | 26 | 28 | ▲ 7.7% |
| March | 37 | 24 | ▼ 35.1% |
| April | 36 | 39 | ▲ 8.3% |
| May | 39 | 43 | ▲ 10.3% |
| June | 32 | 44 | ▲ 37.5% |
| July | 31 | 48 | ▲ 54.8% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 22 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 230 | 257 | ▲ 11.7% |
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 | 73.1% | 76.7% | ▲ 4.9% |
| February | 84.6% | 82.1% | ▼ 2.9% |
| March | 77.1% | 41.7% | ▼ 46.0% |
| April | 63.9% | 76.9% | ▲ 20.4% |
| May | 44.7% | 51.2% | ▲ 14.3% |
| June | 50.0% | 65.9% | ▲ 31.8% |
| July | 41.9% | 77.1% | ▲ 83.8% |
| August | 80.8% | – | – |
| September | 88.5% | – | – |
| October | 77.3% | – | in progress |
| November | 78.6% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 62.2% | 67.4% | ▲ 8.3% |
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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 1 | ▼ 83.3% |
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 98.9% 706
- Cancelled 1.1% 8
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL STL Dallas Love Field – St. Louis Lambert International Airport | 878 | 4.1 min | 89.1% | 68 |
| BNA SJC Nashville International Airport – Mineta San Jose International Airport | 3,126 | 24.7 min | 49.2% | 61 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 15.4 min | 65.5% | 58 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 33.9 min | 48.2% | 57 |
| MCO BWI Orlando International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,269 | 16.7 min | 66.0% | 50 |
| BUR DAL Hollywood Burbank/Bob Hope Airport – Dallas Love Field | 1,996 | 10.2 min | 87.8% | 49 |
| BWI BOS Baltimore/Washington International Thurgood Marshall Airport – Boston Logan International Airport | 594 | 22.6 min | 64.5% | 31 |
| MCI DAL Kansas City International Airport – Dallas Love Field | 743 | -0.5 min | 93.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 16 | 81.3% | 1 |
| November 2024 | 41 | 41 | 80.5% | 0 |
| December 2024 | 36 | 36 | 83.3% | 0 |
| January 2025 | 29 | 26 | 73.1% | 3 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 37 | 35 | 77.1% | 2 |
| April 2025 | 36 | 36 | 63.9% | 0 |
| May 2025 | 39 | 38 | 44.7% | 1 |
| June 2025 | 32 | 32 | 50.0% | 0 |
| July 2025 | 31 | 31 | 41.9% | 0 |
| August 2025 | 26 | 26 | 80.8% | 0 |
| September 2025 | 26 | 26 | 88.5% | 0 |
| October 2025 | 22 | 22 | 77.3% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 24 | 24 | 41.7% | 0 |
| April 2026 | 39 | 39 | 76.9% | 0 |
| May 2026 | 43 | 43 | 51.2% | 0 |
| June 2026 | 44 | 44 | 65.9% | 0 |
| July 2026 | 48 | 48 | 77.1% | 0 |