WN3979
WN3979 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Austin to Orlando. Of 499 departures recorded from October 2024 to July 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 499 flights
- Average delay13.1 min
- July 202626▼ 16.1%vs July 2025
- Cancelled0.8%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 22 | 36 | ▲ 63.6% |
| February | 23 | 43 | ▲ 87.0% |
| March | 10 | 21 | ▲ 110.0% |
| April | 10 | 19 | ▲ 90.0% |
| May | 15 | 23 | ▲ 53.3% |
| June | 27 | 24 | ▼ 11.1% |
| July | 31 | 26 | ▼ 16.1% |
| August | 12 | – | – |
| September | 9 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 138 | 192 | ▲ 39.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 72.7% | 83.3% | ▲ 14.6% |
| February | 65.2% | 90.7% | ▲ 39.1% |
| March | 90.0% | 50.0% | ▼ 44.4% |
| April | 100.0% | 52.6% | ▼ 47.4% |
| May | 93.3% | 43.5% | ▼ 53.4% |
| June | 55.6% | 45.8% | ▼ 17.5% |
| July | 50.0% | 65.4% | ▲ 30.8% |
| August | 66.7% | – | – |
| September | 100.0% | – | – |
| October | 83.9% | – | in progress |
| November | 96.3% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 75.3% | 61.6% | ▼ 18.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.2% 495
- Cancelled 0.8% 4
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS MCO Austin Bergstrom International Airport – Orlando International Airport | 1,596 | 14.8 min | 74.7% | 75 |
| ONT LAS Ontario International Airport – Harry Reid International Airport | 317 | 4.1 min | 91.9% | 64 |
| SAN SMF San Diego International Airport – Sacramento International Airport | 773 | -0.3 min | 94.3% | 53 |
| STL SAT St. Louis Lambert International Airport – San Antonio International Airport | 1,266 | 26.7 min | 55.1% | 49 |
| BWI BUF Baltimore/Washington International Thurgood Marshall Airport – Buffalo Niagara International Airport | 453 | 34.8 min | 36.6% | 42 |
| RDU AUS Raleigh-Durham International Airport – Austin Bergstrom International Airport | 1,866 | 20.8 min | 50.0% | 40 |
| MTJ DEN Montrose Regional Airport – Denver International Airport | 316 | 3.7 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 13 | 13 | 84.6% | 0 |
| December 2024 | 24 | 24 | 75.0% | 0 |
| January 2025 | 22 | 22 | 72.7% | 0 |
| February 2025 | 23 | 23 | 65.2% | 0 |
| March 2025 | 10 | 10 | 90.0% | 0 |
| April 2025 | 10 | 10 | 100.0% | 0 |
| May 2025 | 15 | 15 | 93.3% | 0 |
| June 2025 | 27 | 27 | 55.6% | 0 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 12 | 12 | 66.7% | 0 |
| September 2025 | 9 | 9 | 100.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 27 | 96.3% | 2 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 36 | 36 | 83.3% | 0 |
| February 2026 | 43 | 43 | 90.7% | 0 |
| March 2026 | 21 | 20 | 50.0% | 1 |
| April 2026 | 19 | 19 | 52.6% | 0 |
| May 2026 | 23 | 23 | 43.5% | 0 |
| June 2026 | 24 | 24 | 45.8% | 0 |
| July 2026 | 26 | 26 | 65.4% | 0 |