WN4923
WN4923 (Southwest Airlines) is a multi-stop service on 8 routes, busiest Denver to Austin. Of 212 departures recorded from October 2024 to July 2026, 84.1% left on time, according to the US BTS.
- On-time departures84.1%of 212 flights
- Average delay7.0 min
- July 202622
- Cancelled1.9%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 26 | ▲ 8.3% |
| February | 24 | 28 | ▲ 16.7% |
| March | 4 | 11 | ▲ 175.0% |
| April | – | 2 | – |
| May | – | – | – |
| June | – | 20 | – |
| July | – | 22 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 100.0% | ▲ 33.3% |
| February | 70.8% | 92.6% | ▲ 30.7% |
| March | 100.0% | 100.0% | 0.0% |
| April | – | 50.0% | – |
| May | – | – | – |
| June | – | 65.0% | – |
| July | – | 63.6% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| 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 periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | – | 0 | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | 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 98.1% 208
- Cancelled 1.9% 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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN AUS Denver International Airport – Austin Bergstrom International Airport | 1,249 | 7.3 min | 79.5% | 74 |
| BUF BWI Buffalo Niagara International Airport – Baltimore/Washington International Thurgood Marshall Airport | 453 | 4.6 min | 96.4% | 58 |
| MCO IND Orlando International Airport – Indianapolis International Airport | 1,336 | 16.0 min | 64.3% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 100.0% | 0 |
| November 2024 | 10 | 10 | 90.0% | 0 |
| December 2024 | 14 | 14 | 92.9% | 0 |
| January 2025 | 24 | 24 | 75.0% | 0 |
| February 2025 | 24 | 24 | 70.8% | 0 |
| March 2025 | 4 | 3 | 100.0% | 1 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 24 | 100.0% | 2 |
| February 2026 | 28 | 27 | 92.6% | 1 |
| March 2026 | 11 | 11 | 100.0% | 0 |
| April 2026 | 2 | 2 | 50.0% | 0 |
| June 2026 | 20 | 20 | 65.0% | 0 |
| July 2026 | 22 | 22 | 63.6% | 0 |