WN1418
WN1418 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Denver to Boise. Of 760 departures recorded from October 2024 to July 2026, 62.1% left on time, according to the US BTS.
- On-time departures62.1%of 760 flights
- Average delay22.3 min
- July 202640▲ 48.1%vs July 2025
- Cancelled1.2%
- 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 | 27 | 29 | ▲ 7.4% |
| February | 34 | 28 | ▼ 17.6% |
| March | 32 | 24 | ▼ 25.0% |
| April | 57 | 54 | ▼ 5.3% |
| May | 73 | 61 | ▼ 16.4% |
| June | 29 | 40 | ▲ 37.9% |
| July | 27 | 40 | ▲ 48.1% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 41 | – | in progress |
| November | 14 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 279 | 276 | ▼ 1.1% |
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% | 93.1% | ▲ 22.5% |
| February | 70.6% | 42.9% | ▼ 39.3% |
| March | 90.3% | 47.8% | ▼ 47.0% |
| April | 75.0% | 44.4% | ▼ 40.7% |
| May | 81.7% | 32.8% | ▼ 59.9% |
| June | 65.5% | 40.0% | ▼ 38.9% |
| July | 59.3% | 36.8% | ▼ 37.8% |
| August | 65.5% | – | – |
| September | 43.3% | – | – |
| October | 41.5% | – | in progress |
| November | 85.7% | – | – |
| December | 91.3% | – | – |
| Year-to-date average (Jan–Jul) | 74.1% | 48.3% | ▼ 34.8% |
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 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 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% 751
- Cancelled 1.2% 9
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 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 | 11 | 11 | 72.7% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 27 | 25 | 76.0% | 2 |
| February 2025 | 34 | 34 | 70.6% | 0 |
| March 2025 | 32 | 31 | 90.3% | 1 |
| April 2025 | 57 | 56 | 75.0% | 1 |
| May 2025 | 73 | 71 | 81.7% | 2 |
| June 2025 | 29 | 29 | 65.5% | 0 |
| July 2025 | 27 | 27 | 59.3% | 0 |
| August 2025 | 29 | 29 | 65.5% | 0 |
| September 2025 | 30 | 30 | 43.3% | 0 |
| October 2025 | 41 | 41 | 41.5% | 0 |
| November 2025 | 14 | 14 | 85.7% | 0 |
| December 2025 | 23 | 23 | 91.3% | 0 |
| January 2026 | 29 | 29 | 93.1% | 0 |
| February 2026 | 28 | 28 | 42.9% | 0 |
| March 2026 | 24 | 23 | 47.8% | 1 |
| April 2026 | 54 | 54 | 44.4% | 0 |
| May 2026 | 61 | 61 | 32.8% | 0 |
| June 2026 | 40 | 40 | 40.0% | 0 |
| July 2026 | 40 | 38 | 36.8% | 2 |