WN4485
WN4485 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Austin to Sacramento. Of 496 departures recorded from October 2024 to July 2026, 73.8% left on time, according to the US BTS.
- On-time departures73.8%of 496 flights
- Average delay13.1 min
- July 202627▼ 25.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number26
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 | 17 | 8 | ▼ 52.9% |
| February | 19 | 17 | ▼ 10.5% |
| March | 35 | 25 | ▼ 28.6% |
| April | 9 | 5 | ▼ 44.4% |
| May | – | – | – |
| June | 28 | 23 | ▼ 17.9% |
| July | 36 | 27 | ▼ 25.0% |
| August | 21 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
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 | 50.0% | 100.0% | ▲ 100.0% |
| February | 79.0% | 70.6% | ▼ 10.6% |
| March | 80.0% | 68.0% | ▼ 15.0% |
| April | 66.7% | 100.0% | ▲ 50.0% |
| May | – | – | – |
| June | 74.1% | 39.1% | ▼ 47.2% |
| July | 77.1% | 51.9% | ▼ 32.8% |
| August | 76.2% | – | – |
| September | 90.5% | – | – |
| October | 46.7% | – | in progress |
| November | 79.3% | – | – |
| December | 79.3% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | – | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 99.4% 493
- Cancelled 0.6% 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS SMF Austin Bergstrom International Airport – Sacramento International Airport | 2,380 | 20.1 min | 71.6% | 75 |
| SJC BUR Mineta San Jose International Airport – Hollywood Burbank/Bob Hope Airport | 477 | 5.0 min | 79.6% | 51 |
| RNO SAN Reno Tahoe International Airport – San Diego International Airport | 787 | 27.2 min | 46.0% | 50 |
| ALB BNA Albany International Airport – Nashville International Airport | 1,326 | 4.7 min | 85.7% | 35 |
| MAF DEN Midland International Air and Space Port – Denver International Airport | 908 | 3.8 min | 93.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 45 | 45 | 88.9% | 0 |
| December 2024 | 60 | 60 | 80.0% | 0 |
| January 2025 | 17 | 16 | 50.0% | 1 |
| February 2025 | 19 | 19 | 79.0% | 0 |
| March 2025 | 35 | 35 | 80.0% | 0 |
| April 2025 | 9 | 9 | 66.7% | 0 |
| June 2025 | 28 | 27 | 74.1% | 1 |
| July 2025 | 36 | 35 | 77.1% | 1 |
| August 2025 | 21 | 21 | 76.2% | 0 |
| September 2025 | 21 | 21 | 90.5% | 0 |
| October 2025 | 30 | 30 | 46.7% | 0 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 29 | 29 | 79.3% | 0 |
| January 2026 | 8 | 8 | 100.0% | 0 |
| February 2026 | 17 | 17 | 70.6% | 0 |
| March 2026 | 25 | 25 | 68.0% | 0 |
| April 2026 | 5 | 5 | 100.0% | 0 |
| June 2026 | 23 | 23 | 39.1% | 0 |
| July 2026 | 27 | 27 | 51.9% | 0 |