WN655
WN655 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Dallas to Denver. Of 661 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 661 flights
- Average delay8.7 min
- July 202635▼ 23.9%vs July 2025
- Cancelled1.2%
- Legs flown under this number36
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 | 14 | ▼ 50.0% |
| February | 20 | 22 | ▲ 10.0% |
| March | 41 | 29 | ▼ 29.3% |
| April | 53 | 12 | ▼ 77.4% |
| May | 56 | 9 | ▼ 83.9% |
| June | 44 | 31 | ▼ 29.5% |
| July | 46 | 35 | ▼ 23.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 288 | 152 | ▼ 47.2% |
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 | 76.9% | 92.3% | ▲ 20.0% |
| February | 70.0% | 81.8% | ▲ 16.9% |
| March | 92.7% | 89.7% | ▼ 3.3% |
| April | 73.6% | 58.3% | ▼ 20.7% |
| May | 69.1% | 66.7% | ▼ 3.5% |
| June | 88.6% | 77.4% | ▼ 12.7% |
| July | 100.0% | 97.1% | ▼ 2.9% |
| August | 77.4% | – | – |
| September | 80.0% | – | – |
| October | 51.9% | – | in progress |
| November | 92.6% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 80.5% | ▼ 1.3% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 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 98.8% 653
- Cancelled 1.2% 8
Share of all recorded flights in the period, all legs. · Oct 13, 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 | 12 | 12 | 58.3% | 0 |
| November 2024 | 29 | 27 | 88.9% | 2 |
| December 2024 | 32 | 32 | 68.8% | 0 |
| January 2025 | 28 | 26 | 76.9% | 2 |
| February 2025 | 20 | 20 | 70.0% | 0 |
| March 2025 | 41 | 41 | 92.7% | 0 |
| April 2025 | 53 | 53 | 73.6% | 0 |
| May 2025 | 56 | 55 | 69.1% | 1 |
| June 2025 | 44 | 44 | 88.6% | 0 |
| July 2025 | 46 | 46 | 100.0% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 27 | 27 | 51.9% | 0 |
| November 2025 | 29 | 27 | 92.6% | 2 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 14 | 13 | 92.3% | 1 |
| February 2026 | 22 | 22 | 81.8% | 0 |
| March 2026 | 29 | 29 | 89.7% | 0 |
| April 2026 | 12 | 12 | 58.3% | 0 |
| May 2026 | 9 | 9 | 66.7% | 0 |
| June 2026 | 31 | 31 | 77.4% | 0 |
| July 2026 | 35 | 35 | 97.1% | 0 |