WN3884
WN3884 (Southwest Airlines) is a multi-stop service on 16 routes, busiest St Louis to Austin. Of 268 departures recorded from October 2024 to July 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 268 flights
- Average delay11.2 min
- July 202630
- Cancelled1.1%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | – | – | – |
| March | 16 | 75 | ▲ 368.8% |
| April | 4 | 32 | ▲ 700.0% |
| May | – | 22 | – |
| June | – | 29 | – |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | 17 | – | in progress |
| November | 4 | – | – |
| December | 11 | – | – |
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 66.7% | ▲ 33.3% |
| February | – | – | – |
| March | 73.3% | 79.5% | ▲ 8.3% |
| April | 75.0% | 68.8% | ▼ 8.3% |
| May | – | 63.6% | – |
| June | – | 82.8% | – |
| July | – | 86.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | 47.1% | – | in progress |
| November | 50.0% | – | – |
| December | 63.6% | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.9% 265
- Cancelled 1.1% 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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL AUS St. Louis Lambert International Airport – Austin Bergstrom International Airport | 1,161 | 6.7 min | 84.2% | 57 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 11.6 min | 63.6% | 33 |
| BNA MYR Nashville International Airport – Myrtle Beach International Airport | 757 | 7.6 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 3 | 3 | 66.7% | 0 |
| December 2024 | 8 | 8 | 62.5% | 0 |
| January 2025 | 2 | 2 | 50.0% | 0 |
| March 2025 | 16 | 15 | 73.3% | 1 |
| April 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 17 | 17 | 47.1% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 11 | 11 | 63.6% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| March 2026 | 75 | 73 | 79.5% | 2 |
| April 2026 | 32 | 32 | 68.8% | 0 |
| May 2026 | 22 | 22 | 63.6% | 0 |
| June 2026 | 29 | 29 | 82.8% | 0 |
| July 2026 | 30 | 30 | 86.7% | 0 |