WN4341
WN4341 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Austin to Chicago. Of 219 departures recorded from October 2024 to July 2026, 63.9% left on time, according to the US BTS.
- On-time departures63.9%of 219 flights
- Average delay21.5 min
- July 202623▲ 91.7%vs July 2025
- Cancelled1.4%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 1 | – |
| March | – | 4 | – |
| April | 20 | 19 | ▼ 5.0% |
| May | 26 | 21 | ▼ 19.2% |
| June | 16 | 22 | ▲ 37.5% |
| July | 12 | 23 | ▲ 91.7% |
| August | 6 | – | – |
| September | 4 | – | – |
| October | 26 | – | in progress |
| November | 3 | – | – |
| December | – | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 100.0% | – |
| March | – | 75.0% | – |
| April | 80.0% | 52.6% | ▼ 34.2% |
| May | 50.0% | 47.6% | ▼ 4.8% |
| June | 87.5% | 40.9% | ▼ 53.2% |
| July | 66.7% | 52.2% | ▼ 21.7% |
| August | 33.3% | – | – |
| September | 100.0% | – | – |
| October | 96.2% | – | in progress |
| November | 66.7% | – | – |
| December | – | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 98.6% 216
- Cancelled 1.4% 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 |
|---|---|---|---|---|
| AUS MDW Austin Bergstrom International Airport – Chicago Midway International Airport | 1,565 | 17.8 min | 66.0% | 50 |
| SMF LAS Sacramento International Airport – Harry Reid International Airport | 639 | 30.3 min | 50.0% | 42 |
| MCI STL Kansas City International Airport – St. Louis Lambert International Airport | 380 | 35.5 min | 45.2% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 12 | 66.7% | 3 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| April 2025 | 20 | 20 | 80.0% | 0 |
| May 2025 | 26 | 26 | 50.0% | 0 |
| June 2025 | 16 | 16 | 87.5% | 0 |
| July 2025 | 12 | 12 | 66.7% | 0 |
| August 2025 | 6 | 6 | 33.3% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 26 | 26 | 96.2% | 0 |
| November 2025 | 3 | 3 | 66.7% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 4 | 4 | 75.0% | 0 |
| April 2026 | 19 | 19 | 52.6% | 0 |
| May 2026 | 21 | 21 | 47.6% | 0 |
| June 2026 | 22 | 22 | 40.9% | 0 |
| July 2026 | 23 | 23 | 52.2% | 0 |