WN3737
WN3737 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Sarasota to St Louis. Of 382 departures recorded from October 2024 to July 2026, 79.2% left on time, according to the US BTS.
- On-time departures79.2%of 382 flights
- Average delay9.1 min
- July 202627▲ 2,600.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | 26 | ▲ 333.3% |
| February | 8 | 28 | ▲ 250.0% |
| March | 5 | 35 | ▲ 600.0% |
| April | 24 | 28 | ▲ 16.7% |
| May | 30 | 26 | ▼ 13.3% |
| June | 4 | 26 | ▲ 550.0% |
| July | 1 | 27 | ▲ 2,600.0% |
| August | – | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 78 | 196 | ▲ 151.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 33.3% | 96.2% | ▲ 188.5% |
| February | 42.9% | 96.4% | ▲ 125.0% |
| March | 80.0% | 60.0% | ▼ 25.0% |
| April | 75.0% | 89.3% | ▲ 19.1% |
| May | 66.7% | 84.6% | ▲ 26.9% |
| June | 100.0% | 96.2% | ▼ 3.8% |
| July | 100.0% | 96.2% | ▼ 3.8% |
| August | – | – | – |
| September | – | – | – |
| October | 63.3% | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jul) | 71.1% | 88.4% | ▲ 24.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.2% 379
- Cancelled 0.8% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SRQ STL Sarasota Bradenton International Airport – St. Louis Lambert International Airport | 1,456 | 2.1 min | 94.8% | 58 |
| TPA ATL Tampa International Airport – Hartsfield Jackson Atlanta International Airport | 655 | 15.4 min | 71.9% | 57 |
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | -2.0 min | 98.0% | 50 |
| MDW BOS Chicago Midway International Airport – Boston Logan International Airport | 1,381 | 4.2 min | 85.7% | 49 |
| LBB DAL Lubbock Preston Smith International Airport – Dallas Love Field | 472 | 11.1 min | 69.7% | 33 |
| MCO MSY Orlando International Airport – Louis Armstrong New Orleans International Airport | 886 | 12.4 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 84.2% | 1 |
| November 2024 | 32 | 32 | 78.1% | 0 |
| December 2024 | 25 | 25 | 68.0% | 0 |
| January 2025 | 6 | 6 | 33.3% | 0 |
| February 2025 | 8 | 7 | 42.9% | 1 |
| March 2025 | 5 | 5 | 80.0% | 0 |
| April 2025 | 24 | 24 | 75.0% | 0 |
| May 2025 | 30 | 30 | 66.7% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 30 | 30 | 63.3% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 26 | 96.2% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 35 | 35 | 60.0% | 0 |
| April 2026 | 28 | 28 | 89.3% | 0 |
| May 2026 | 26 | 26 | 84.6% | 0 |
| June 2026 | 26 | 26 | 96.2% | 0 |
| July 2026 | 27 | 26 | 96.2% | 1 |