WN1343
WN1343 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Chicago to Tampa. Of 682 departures recorded from October 2024 to July 2026, 75.1% left on time, according to the US BTS.
- On-time departures75.1%of 682 flights
- Average delay11.4 min
- July 202628▲ 12.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number30
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 45 | 31 | ▼ 31.1% |
| April | 35 | 46 | ▲ 31.4% |
| May | 36 | 47 | ▲ 30.6% |
| June | 20 | 30 | ▲ 50.0% |
| July | 25 | 28 | ▲ 12.0% |
| August | 39 | – | – |
| September | 39 | – | – |
| October | 26 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 220 | 240 | ▲ 9.1% |
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 | 93.6% | 66.7% | ▼ 28.7% |
| February | 96.4% | 71.4% | ▼ 25.9% |
| March | 93.3% | 41.4% | ▼ 55.7% |
| April | 80.0% | 76.1% | ▼ 4.9% |
| May | 75.0% | 76.6% | ▲ 2.1% |
| June | 55.0% | 79.3% | ▲ 44.2% |
| July | 40.0% | 78.6% | ▲ 96.4% |
| August | 67.6% | – | – |
| September | 89.7% | – | – |
| October | 76.9% | – | in progress |
| November | 68.4% | – | – |
| December | 43.8% | – | – |
| Year-to-date average (Jan–Jul) | 76.2% | 70.0% | ▼ 8.1% |
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 | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.0% 675
- Cancelled 1.0% 7
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW TPA Chicago Midway International Airport – Tampa International Airport | 1,607 | 4.2 min | 87.7% | 122 |
| BNA STL Nashville International Airport – St. Louis Lambert International Airport | 437 | 3.6 min | 85.5% | 56 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 12.9 min | 66.0% | 50 |
| SJC DEN Mineta San Jose International Airport – Denver International Airport | 1,522 | 36.3 min | 48.9% | 45 |
| DAL MCI Dallas Love Field – Kansas City International Airport | 743 | 4.4 min | 87.8% | 42 |
| PIT BWI Pittsburgh International Airport – Baltimore/Washington International Thurgood Marshall Airport | 338 | 27.9 min | 38.7% | 33 |
| ALB MCO Albany International Airport – Orlando International Airport | 1,729 | 16.5 min | 57.6% | 33 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 9.8 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 32 | 32 | 75.0% | 0 |
| January 2025 | 31 | 31 | 93.6% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 45 | 45 | 93.3% | 0 |
| April 2025 | 35 | 35 | 80.0% | 0 |
| May 2025 | 36 | 36 | 75.0% | 0 |
| June 2025 | 20 | 20 | 55.0% | 0 |
| July 2025 | 25 | 25 | 40.0% | 0 |
| August 2025 | 39 | 37 | 67.6% | 2 |
| September 2025 | 39 | 39 | 89.7% | 0 |
| October 2025 | 26 | 26 | 76.9% | 0 |
| November 2025 | 20 | 19 | 68.4% | 1 |
| December 2025 | 17 | 16 | 43.8% | 1 |
| January 2026 | 30 | 30 | 66.7% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 31 | 29 | 41.4% | 2 |
| April 2026 | 46 | 46 | 76.1% | 0 |
| May 2026 | 47 | 47 | 76.6% | 0 |
| June 2026 | 30 | 29 | 79.3% | 1 |
| July 2026 | 28 | 28 | 78.6% | 0 |