WN4333
WN4333 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Nashville to St Louis. Of 384 departures recorded from November 2024 to July 2026, 55.8% left on time, according to the US BTS.
- On-time departures55.8%of 384 flights
- Average delay28.0 min
- July 202660▲ 185.7%vs July 2025
- Cancelled1.0%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 32 | 8 | ▼ 75.0% |
| February | 31 | 19 | ▼ 38.7% |
| March | 9 | 24 | ▲ 166.7% |
| April | 10 | 4 | ▼ 60.0% |
| May | 14 | – | – |
| June | 21 | 50 | ▲ 138.1% |
| July | 21 | 60 | ▲ 185.7% |
| August | 4 | – | – |
| September | – | – | – |
| October | 17 | – | in progress |
| November | 17 | – | – |
| December | 8 | – | – |
according to the US BTS · November 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.7% | 71.4% | ▼ 6.8% |
| February | 80.7% | 89.5% | ▲ 10.9% |
| March | 77.8% | 45.8% | ▼ 41.1% |
| April | 60.0% | 25.0% | ▼ 58.3% |
| May | 21.4% | – | – |
| June | 38.1% | 30.0% | ▼ 21.3% |
| July | 42.9% | 46.7% | ▲ 8.9% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 58.8% | – | in progress |
| November | 64.7% | – | – |
| December | 71.4% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · November 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 99.0% 380
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Nov 4, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA STL Nashville International Airport – St. Louis Lambert International Airport | 437 | 7.6 min | 83.6% | 73 |
| PVD DEN Rhode Island T. F. Green International Airport – Denver International Airport | 2,789 | 40.5 min | 40.0% | 45 |
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | 43.0 min | 35.7% | 42 |
| DAL TUL Dallas Love Field – Tulsa International Airport | 383 | 33.7 min | 33.3% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 11 | 11 | 90.9% | 0 |
| December 2024 | 24 | 24 | 66.7% | 0 |
| January 2025 | 32 | 30 | 76.7% | 2 |
| February 2025 | 31 | 31 | 80.7% | 0 |
| March 2025 | 9 | 9 | 77.8% | 0 |
| April 2025 | 10 | 10 | 60.0% | 0 |
| May 2025 | 14 | 14 | 21.4% | 0 |
| June 2025 | 21 | 21 | 38.1% | 0 |
| July 2025 | 21 | 21 | 42.9% | 0 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 17 | 17 | 58.8% | 0 |
| November 2025 | 17 | 17 | 64.7% | 0 |
| December 2025 | 8 | 7 | 71.4% | 1 |
| January 2026 | 8 | 7 | 71.4% | 1 |
| February 2026 | 19 | 19 | 89.5% | 0 |
| March 2026 | 24 | 24 | 45.8% | 0 |
| April 2026 | 4 | 4 | 25.0% | 0 |
| June 2026 | 50 | 50 | 30.0% | 0 |
| July 2026 | 60 | 60 | 46.7% | 0 |