WN687
WN687 (Southwest Airlines) is a multi-stop service on 44 routes, busiest Denver to Austin. Of 792 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 792 flights
- Average delay10.0 min
- July 202631▼ 8.8%vs July 2025
- Cancelled1.0%
- Legs flown under this number44
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 | 35 | 36 | ▲ 2.9% |
| February | 20 | 28 | ▲ 40.0% |
| March | 30 | 27 | ▼ 10.0% |
| April | 38 | 29 | ▼ 23.7% |
| May | 39 | 31 | ▼ 20.5% |
| June | 36 | 30 | ▼ 16.7% |
| July | 34 | 31 | ▼ 8.8% |
| August | 43 | – | – |
| September | 42 | – | – |
| October | 39 | – | in progress |
| November | 38 | – | – |
| December | 44 | – | – |
| Year to date (Jan–Jul) | 232 | 212 | ▼ 8.6% |
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 | 85.7% | 86.1% | ▲ 0.5% |
| February | 85.0% | 96.3% | ▲ 13.3% |
| March | 82.8% | 57.7% | ▼ 30.3% |
| April | 89.5% | 58.6% | ▼ 34.5% |
| May | 94.9% | 51.6% | ▼ 45.6% |
| June | 91.7% | 44.8% | ▼ 51.1% |
| July | 91.2% | 32.1% | ▼ 64.8% |
| August | 90.7% | – | – |
| September | 90.5% | – | – |
| October | 79.5% | – | in progress |
| November | 86.8% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 88.7% | 61.0% | ▼ 31.2% |
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 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 6 | ▲ 500.0% |
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 99.0% 784
- Cancelled 1.0% 8
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 | 34 | 34 | 79.4% | 0 |
| November 2024 | 48 | 48 | 83.3% | 0 |
| December 2024 | 60 | 60 | 71.7% | 0 |
| January 2025 | 35 | 35 | 85.7% | 0 |
| February 2025 | 20 | 20 | 85.0% | 0 |
| March 2025 | 30 | 29 | 82.8% | 1 |
| April 2025 | 38 | 38 | 89.5% | 0 |
| May 2025 | 39 | 39 | 94.9% | 0 |
| June 2025 | 36 | 36 | 91.7% | 0 |
| July 2025 | 34 | 34 | 91.2% | 0 |
| August 2025 | 43 | 43 | 90.7% | 0 |
| September 2025 | 42 | 42 | 90.5% | 0 |
| October 2025 | 39 | 39 | 79.5% | 0 |
| November 2025 | 38 | 38 | 86.8% | 0 |
| December 2025 | 44 | 43 | 76.7% | 1 |
| January 2026 | 36 | 36 | 86.1% | 0 |
| February 2026 | 28 | 27 | 96.3% | 1 |
| March 2026 | 27 | 26 | 57.7% | 1 |
| April 2026 | 29 | 29 | 58.6% | 0 |
| May 2026 | 31 | 31 | 51.6% | 0 |
| June 2026 | 30 | 29 | 44.8% | 1 |
| July 2026 | 31 | 28 | 32.1% | 3 |