WN981
WN981 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Denver to Boise. Of 582 departures recorded from October 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 582 flights
- Average delay13.1 min
- July 202632▲ 18.5%vs July 2025
- Cancelled1.2%
- Legs flown under this number25
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 | 30 | 30 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 36 | 31 | ▼ 13.9% |
| April | 24 | 30 | ▲ 25.0% |
| May | 22 | 31 | ▲ 40.9% |
| June | 24 | 30 | ▲ 25.0% |
| July | 27 | 32 | ▲ 18.5% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 191 | 212 | ▲ 11.0% |
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 | 76.7% | 85.7% | ▲ 11.8% |
| February | 64.3% | 63.0% | ▼ 2.1% |
| March | 65.7% | 51.6% | ▼ 21.5% |
| April | 75.0% | 60.0% | ▼ 20.0% |
| May | 90.9% | 48.4% | ▼ 46.8% |
| June | 87.5% | 80.0% | ▼ 8.6% |
| July | 88.5% | 75.0% | ▼ 15.2% |
| August | 96.7% | – | – |
| September | 96.7% | – | – |
| October | 80.7% | – | in progress |
| November | 79.0% | – | – |
| December | 56.3% | – | – |
| Year-to-date average (Jan–Jul) | 78.4% | 66.2% | ▼ 15.5% |
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 | 2 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| 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 98.8% 575
- Cancelled 1.2% 7
Share of all recorded flights in the period, all legs. · Oct 14, 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 | 8 | 8 | 87.5% | 0 |
| November 2024 | 16 | 16 | 81.3% | 0 |
| December 2024 | 27 | 27 | 55.6% | 0 |
| January 2025 | 30 | 30 | 76.7% | 0 |
| February 2025 | 28 | 28 | 64.3% | 0 |
| March 2025 | 36 | 35 | 65.7% | 1 |
| April 2025 | 24 | 24 | 75.0% | 0 |
| May 2025 | 22 | 22 | 90.9% | 0 |
| June 2025 | 24 | 24 | 87.5% | 0 |
| July 2025 | 27 | 26 | 88.5% | 1 |
| August 2025 | 30 | 30 | 96.7% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 20 | 19 | 79.0% | 1 |
| December 2025 | 17 | 16 | 56.3% | 1 |
| January 2026 | 30 | 28 | 85.7% | 2 |
| February 2026 | 28 | 27 | 63.0% | 1 |
| March 2026 | 31 | 31 | 51.6% | 0 |
| April 2026 | 30 | 30 | 60.0% | 0 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 32 | 32 | 75.0% | 0 |