WN197
WN197 (Southwest Airlines) is a multi-stop service on 57 routes, busiest St Louis to Las Vegas. Of 964 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 964 flights
- Average delay15.1 min
- July 202631▲ 14.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number57
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 | 36 | 33 | ▼ 8.3% |
| February | 28 | 28 | 0.0% |
| March | 31 | 38 | ▲ 22.6% |
| April | 84 | 41 | ▼ 51.2% |
| May | 109 | 46 | ▼ 57.8% |
| June | 34 | 31 | ▼ 8.8% |
| July | 27 | 31 | ▲ 14.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 91 | – | in progress |
| November | 51 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 349 | 248 | ▼ 28.9% |
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 | 83.3% | 81.3% | ▼ 2.5% |
| February | 85.7% | 85.2% | ▼ 0.6% |
| March | 87.1% | 70.3% | ▼ 19.3% |
| April | 60.7% | 90.2% | ▲ 48.6% |
| May | 52.3% | 82.6% | ▲ 57.8% |
| June | 44.1% | 67.7% | ▲ 53.5% |
| July | 55.6% | 48.4% | ▼ 12.9% |
| August | 83.9% | – | – |
| September | 76.7% | – | – |
| October | 67.0% | – | in progress |
| November | 96.0% | – | – |
| December | 83.7% | – | – |
| Year-to-date average (Jan–Jul) | 67.0% | 75.1% | ▲ 12.1% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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% 957
- Cancelled 0.7% 7
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 91.3% | 0 |
| November 2024 | 36 | 36 | 88.9% | 0 |
| December 2024 | 56 | 55 | 81.8% | 1 |
| January 2025 | 36 | 36 | 83.3% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 84 | 84 | 60.7% | 0 |
| May 2025 | 109 | 107 | 52.3% | 2 |
| June 2025 | 34 | 34 | 44.1% | 0 |
| July 2025 | 27 | 27 | 55.6% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 91 | 91 | 67.0% | 0 |
| November 2025 | 51 | 50 | 96.0% | 1 |
| December 2025 | 49 | 49 | 83.7% | 0 |
| January 2026 | 33 | 32 | 81.3% | 1 |
| February 2026 | 28 | 27 | 85.2% | 1 |
| March 2026 | 38 | 37 | 70.3% | 1 |
| April 2026 | 41 | 41 | 90.2% | 0 |
| May 2026 | 46 | 46 | 82.6% | 0 |
| June 2026 | 31 | 31 | 67.7% | 0 |
| July 2026 | 31 | 31 | 48.4% | 0 |