WN454
WN454 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Austin to St Louis. Of 744 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 744 flights
- Average delay16.1 min
- July 202631▲ 3.3%vs July 2025
- Cancelled1.6%
- Legs flown under this number35
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 | 50 | 33 | ▼ 34.0% |
| February | 37 | 35 | ▼ 5.4% |
| March | 33 | 28 | ▼ 15.2% |
| April | 27 | 32 | ▲ 18.5% |
| May | 27 | 36 | ▲ 33.3% |
| June | 27 | 30 | ▲ 11.1% |
| July | 30 | 31 | ▲ 3.3% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 55 | – | – |
| December | 36 | – | – |
| Year to date (Jan–Jul) | 231 | 225 | ▼ 2.6% |
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 | 89.4% | 90.6% | ▲ 1.4% |
| February | 97.3% | 71.4% | ▼ 26.6% |
| March | 84.9% | 70.4% | ▼ 17.1% |
| April | 81.5% | 93.8% | ▲ 15.1% |
| May | 85.2% | 88.9% | ▲ 4.3% |
| June | 63.0% | 53.3% | ▼ 15.3% |
| July | 33.3% | 54.8% | ▲ 64.5% |
| August | 75.8% | – | – |
| September | 70.0% | – | – |
| October | 85.2% | – | in progress |
| November | 49.1% | – | – |
| December | 52.8% | – | – |
| Year-to-date average (Jan–Jul) | 76.4% | 74.7% | ▼ 2.1% |
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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 2 | ▼ 66.7% |
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 98.4% 732
- Cancelled 1.6% 12
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 91.7% | 0 |
| November 2024 | 38 | 37 | 81.1% | 1 |
| December 2024 | 45 | 44 | 84.1% | 1 |
| January 2025 | 50 | 47 | 89.4% | 3 |
| February 2025 | 37 | 37 | 97.3% | 0 |
| March 2025 | 33 | 33 | 84.9% | 0 |
| April 2025 | 27 | 27 | 81.5% | 0 |
| May 2025 | 27 | 27 | 85.2% | 0 |
| June 2025 | 27 | 27 | 63.0% | 0 |
| July 2025 | 30 | 27 | 33.3% | 3 |
| August 2025 | 33 | 33 | 75.8% | 0 |
| September 2025 | 30 | 30 | 70.0% | 0 |
| October 2025 | 27 | 27 | 85.2% | 0 |
| November 2025 | 55 | 53 | 49.1% | 2 |
| December 2025 | 36 | 36 | 52.8% | 0 |
| January 2026 | 33 | 32 | 90.6% | 1 |
| February 2026 | 35 | 35 | 71.4% | 0 |
| March 2026 | 28 | 27 | 70.4% | 1 |
| April 2026 | 32 | 32 | 93.8% | 0 |
| May 2026 | 36 | 36 | 88.9% | 0 |
| June 2026 | 30 | 30 | 53.3% | 0 |
| July 2026 | 31 | 31 | 54.8% | 0 |