WN1972
WN1972 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Denver to St Louis. Of 637 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 637 flights
- Average delay11.3 min
- July 202632▲ 3.2%vs July 2025
- Cancelled1.1%
- Legs flown under this number22
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 | 28 | 31 | ▲ 10.7% |
| February | 28 | 28 | 0.0% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 37 | ▲ 23.3% |
| May | 31 | 39 | ▲ 25.8% |
| June | 30 | 32 | ▲ 6.7% |
| July | 31 | 32 | ▲ 3.2% |
| August | 42 | – | – |
| September | 43 | – | – |
| October | 1 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 209 | 229 | ▲ 9.6% |
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 | 78.6% | 74.2% | ▼ 5.6% |
| February | 85.7% | 74.1% | ▼ 13.6% |
| March | 70.0% | 70.0% | 0.0% |
| April | 93.3% | 80.6% | ▼ 13.7% |
| May | 93.6% | 48.7% | ▼ 47.9% |
| June | 86.2% | 65.6% | ▼ 23.9% |
| July | 77.4% | 78.1% | ▲ 0.9% |
| August | 53.9% | – | – |
| September | 72.1% | – | – |
| October | 100.0% | – | in progress |
| November | 96.2% | – | – |
| December | 75.9% | – | – |
| Year-to-date average (Jan–Jul) | 83.5% | 70.2% | ▼ 16.0% |
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 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 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 98.9% 630
- Cancelled 1.1% 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 | 21 | 21 | 100.0% | 0 |
| November 2024 | 21 | 21 | 81.0% | 0 |
| December 2024 | 16 | 16 | 56.3% | 0 |
| January 2025 | 28 | 28 | 78.6% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 30 | 70.0% | 1 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 29 | 86.2% | 1 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 42 | 39 | 53.9% | 3 |
| September 2025 | 43 | 43 | 72.1% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 26 | 26 | 96.2% | 0 |
| December 2025 | 29 | 29 | 75.9% | 0 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 28 | 27 | 74.1% | 1 |
| March 2026 | 30 | 30 | 70.0% | 0 |
| April 2026 | 37 | 36 | 80.6% | 1 |
| May 2026 | 39 | 39 | 48.7% | 0 |
| June 2026 | 32 | 32 | 65.6% | 0 |
| July 2026 | 32 | 32 | 78.1% | 0 |