WN1385
WN1385 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Denver to Boise. Of 665 departures recorded from October 2024 to July 2026, 83.1% left on time, according to the US BTS.
- On-time departures83.1%of 665 flights
- Average delay9.1 min
- July 20264▼ 86.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number31
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 | 49 | 31 | ▼ 36.7% |
| February | 37 | 28 | ▼ 24.3% |
| March | 39 | 20 | ▼ 48.7% |
| April | 38 | 28 | ▼ 26.3% |
| May | 41 | 31 | ▼ 24.4% |
| June | 31 | 7 | ▼ 77.4% |
| July | 30 | 4 | ▼ 86.7% |
| August | 35 | – | – |
| September | 34 | – | – |
| October | 31 | – | in progress |
| November | 32 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 265 | 149 | ▼ 43.8% |
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 | 69.4% | 87.1% | ▲ 25.5% |
| February | 78.4% | 100.0% | ▲ 27.6% |
| March | 92.3% | 90.0% | ▼ 2.5% |
| April | 100.0% | 92.9% | ▼ 7.1% |
| May | 75.0% | 67.7% | ▼ 9.7% |
| June | 74.2% | 85.7% | ▲ 15.5% |
| July | 56.7% | 100.0% | ▲ 76.5% |
| August | 77.1% | – | – |
| September | 85.3% | – | – |
| October | 83.3% | – | in progress |
| November | 81.3% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 89.1% | ▲ 14.2% |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 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 99.4% 661
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 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 | 23 | 23 | 100.0% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 32 | 32 | 81.3% | 0 |
| January 2025 | 49 | 49 | 69.4% | 0 |
| February 2025 | 37 | 37 | 78.4% | 0 |
| March 2025 | 39 | 39 | 92.3% | 0 |
| April 2025 | 38 | 37 | 100.0% | 1 |
| May 2025 | 41 | 40 | 75.0% | 1 |
| June 2025 | 31 | 31 | 74.2% | 0 |
| July 2025 | 30 | 30 | 56.7% | 0 |
| August 2025 | 35 | 35 | 77.1% | 0 |
| September 2025 | 34 | 34 | 85.3% | 0 |
| October 2025 | 31 | 30 | 83.3% | 1 |
| November 2025 | 32 | 32 | 81.3% | 0 |
| December 2025 | 33 | 33 | 81.8% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 100.0% | 0 |
| March 2026 | 20 | 20 | 90.0% | 0 |
| April 2026 | 28 | 28 | 92.9% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 7 | 7 | 85.7% | 0 |
| July 2026 | 4 | 3 | 100.0% | 1 |