WN927
WN927 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Denver to Boise. Of 718 departures recorded from October 2024 to July 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 718 flights
- Average delay13.1 min
- July 202622▼ 18.5%vs July 2025
- Cancelled1.1%
- Legs flown under this number37
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 | 52 | 26 | ▼ 50.0% |
| February | 63 | 17 | ▼ 73.0% |
| March | 38 | 30 | ▼ 21.1% |
| April | 19 | 30 | ▲ 57.9% |
| May | 18 | 33 | ▲ 83.3% |
| June | 24 | 23 | ▼ 4.2% |
| July | 27 | 22 | ▼ 18.5% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 241 | 181 | ▼ 24.9% |
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 | 76.0% | 96.2% | ▲ 26.5% |
| February | 77.8% | 81.3% | ▲ 4.5% |
| March | 89.2% | 100.0% | ▲ 12.1% |
| April | 72.2% | 100.0% | ▲ 38.5% |
| May | 27.8% | 97.0% | ▲ 249.1% |
| June | 65.2% | 82.6% | ▲ 26.7% |
| July | 77.8% | 81.8% | ▲ 5.2% |
| August | 80.0% | – | – |
| September | 93.3% | – | – |
| October | 64.5% | – | in progress |
| November | 60.0% | – | – |
| December | 58.1% | – | – |
| Year-to-date average (Jan–Jul) | 69.4% | 91.3% | ▲ 31.4% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 1 | ▼ 80.0% |
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% 710
- Cancelled 1.1% 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
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 71 | 69 | 68.1% | 2 |
| December 2024 | 59 | 59 | 52.5% | 0 |
| January 2025 | 52 | 50 | 76.0% | 2 |
| February 2025 | 63 | 63 | 77.8% | 0 |
| March 2025 | 38 | 37 | 89.2% | 1 |
| April 2025 | 19 | 18 | 72.2% | 1 |
| May 2025 | 18 | 18 | 27.8% | 0 |
| June 2025 | 24 | 23 | 65.2% | 1 |
| July 2025 | 27 | 27 | 77.8% | 0 |
| August 2025 | 30 | 30 | 80.0% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 64.5% | 0 |
| November 2025 | 30 | 30 | 60.0% | 0 |
| December 2025 | 31 | 31 | 58.1% | 0 |
| January 2026 | 26 | 26 | 96.2% | 0 |
| February 2026 | 17 | 16 | 81.3% | 1 |
| March 2026 | 30 | 30 | 100.0% | 0 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 33 | 33 | 97.0% | 0 |
| June 2026 | 23 | 23 | 82.6% | 0 |
| July 2026 | 22 | 22 | 81.8% | 0 |