WN3945
WN3945 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Austin to Long Beach. Of 436 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.
- On-time departures78.1%of 436 flights
- Average delay12.4 min
- July 20263▼ 62.5%vs July 2025
- Cancelled0.7%
- Legs flown under this number21
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 | 27 | 33 | ▲ 22.2% |
| February | 40 | 33 | ▼ 17.5% |
| March | 32 | 6 | ▼ 81.3% |
| April | 7 | 21 | ▲ 200.0% |
| May | – | 25 | – |
| June | 8 | 7 | ▼ 12.5% |
| July | 8 | 3 | ▼ 62.5% |
| August | 2 | – | – |
| September | – | – | – |
| October | 61 | – | in progress |
| November | 26 | – | – |
| December | 20 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.2% | 97.0% | ▲ 0.9% |
| February | 66.7% | 90.9% | ▲ 36.4% |
| March | 87.1% | 83.3% | ▼ 4.3% |
| April | 100.0% | 57.1% | ▼ 42.9% |
| May | – | 40.0% | – |
| June | 87.5% | 57.1% | ▼ 34.7% |
| July | 50.0% | 66.7% | ▲ 33.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 82.0% | – | in progress |
| November | 88.5% | – | – |
| December | 85.0% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| 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 99.3% 433
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| AUS LGB Austin Bergstrom International Airport – Long Beach International Airport | 1,970 | 17.7 min | 70.1% | 77 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 3.6 min | 92.7% | 55 |
| PIT STL Pittsburgh International Airport – St. Louis Lambert International Airport | 889 | 33.1 min | 51.0% | 49 |
| OKC DEN OKC Will Rogers World Airport – Denver International Airport | 796 | 2.7 min | 91.3% | 46 |
| SRQ PIT Sarasota Bradenton International Airport – Pittsburgh International Airport | 1,472 | 8.1 min | 87.5% | 33 |
| MCO MIA Orlando International Airport – Miami International Airport | 310 | 7.7 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 79.2% | 0 |
| November 2024 | 26 | 26 | 73.1% | 0 |
| December 2024 | 27 | 27 | 63.0% | 0 |
| January 2025 | 27 | 26 | 96.2% | 1 |
| February 2025 | 40 | 39 | 66.7% | 1 |
| March 2025 | 32 | 31 | 87.1% | 1 |
| April 2025 | 7 | 7 | 100.0% | 0 |
| June 2025 | 8 | 8 | 87.5% | 0 |
| July 2025 | 8 | 8 | 50.0% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 61 | 61 | 82.0% | 0 |
| November 2025 | 26 | 26 | 88.5% | 0 |
| December 2025 | 20 | 20 | 85.0% | 0 |
| January 2026 | 33 | 33 | 97.0% | 0 |
| February 2026 | 33 | 33 | 90.9% | 0 |
| March 2026 | 6 | 6 | 83.3% | 0 |
| April 2026 | 21 | 21 | 57.1% | 0 |
| May 2026 | 25 | 25 | 40.0% | 0 |
| June 2026 | 7 | 7 | 57.1% | 0 |
| July 2026 | 3 | 3 | 66.7% | 0 |