WN1371
WN1371 (Southwest Airlines) is a multi-stop service on 28 routes, busiest St Louis to Miami. Of 685 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 685 flights
- Average delay9.6 min
- July 202631▲ 14.8%vs July 2025
- Cancelled0.9%
- Legs flown under this number28
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 | 28 | 66 | ▲ 135.7% |
| February | 26 | 48 | ▲ 84.6% |
| March | 27 | 30 | ▲ 11.1% |
| April | 31 | 32 | ▲ 3.2% |
| May | 30 | 35 | ▲ 16.7% |
| June | 27 | 30 | ▲ 11.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 19 | – | in progress |
| November | 30 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 196 | 272 | ▲ 38.8% |
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 | 81.5% | 92.2% | ▲ 13.1% |
| February | 84.6% | 76.6% | ▼ 9.5% |
| March | 84.6% | 90.0% | ▲ 6.4% |
| April | 51.6% | 90.6% | ▲ 75.6% |
| May | 46.7% | 97.1% | ▲ 108.1% |
| June | 81.5% | 66.7% | ▼ 18.2% |
| July | 81.5% | 64.5% | ▼ 20.8% |
| August | 82.8% | – | – |
| September | 93.3% | – | – |
| October | 73.7% | – | in progress |
| November | 73.3% | – | – |
| December | 75.8% | – | – |
| Year-to-date average (Jan–Jul) | 73.1% | 82.5% | ▲ 12.9% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| 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) | 2 | 3 | ▲ 50.0% |
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 99.1% 679
- Cancelled 0.9% 6
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 |
|---|---|---|---|---|
| STL MIA St. Louis Lambert International Airport – Miami International Airport | 1,722 | 2.9 min | 92.3% | 66 |
| PHX DAL Phoenix Sky Harbor International Airport – Dallas Love Field | 1,412 | 3.1 min | 89.5% | 57 |
| CLE BWI Cleveland Hopkins International Airport – Baltimore/Washington International Thurgood Marshall Airport | 505 | -5.5 min | 100.0% | 57 |
| DCA MDW Ronald Reagan Washington National Airport – Chicago Midway International Airport | 964 | 7.7 min | 79.3% | 55 |
| AUS TPA Austin Bergstrom International Airport – Tampa International Airport | 1,490 | 18.9 min | 82.7% | 52 |
| BNA STL Nashville International Airport – St. Louis Lambert International Airport | 437 | 17.6 min | 64.0% | 50 |
| MDW MCO Chicago Midway International Airport – Orlando International Airport | 1,595 | 23.6 min | 54.8% | 42 |
| AUS SJC Austin Bergstrom International Airport – Mineta San Jose International Airport | 2,372 | 8.8 min | 75.6% | 41 |
| DEN PDX Denver International Airport – Portland International Airport | 1,592 | 15.3 min | 67.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 28 | 27 | 81.5% | 1 |
| December 2024 | 28 | 28 | 82.1% | 0 |
| January 2025 | 28 | 27 | 81.5% | 1 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 27 | 26 | 84.6% | 1 |
| April 2025 | 31 | 31 | 51.6% | 0 |
| May 2025 | 30 | 30 | 46.7% | 0 |
| June 2025 | 27 | 27 | 81.5% | 0 |
| July 2025 | 27 | 27 | 81.5% | 0 |
| August 2025 | 29 | 29 | 82.8% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 19 | 19 | 73.7% | 0 |
| November 2025 | 30 | 30 | 73.3% | 0 |
| December 2025 | 33 | 33 | 75.8% | 0 |
| January 2026 | 66 | 64 | 92.2% | 2 |
| February 2026 | 48 | 47 | 76.6% | 1 |
| March 2026 | 30 | 30 | 90.0% | 0 |
| April 2026 | 32 | 32 | 90.6% | 0 |
| May 2026 | 35 | 35 | 97.1% | 0 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |