WN4014
WN4014 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Portland to Denver. Of 479 departures recorded from October 2024 to July 2026, 71.6% left on time, according to the US BTS.
- On-time departures71.6%of 479 flights
- Average delay15.2 min
- July 202617▲ 41.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | 19 | ▲ 216.7% |
| February | – | 30 | – |
| March | 26 | 53 | ▲ 103.8% |
| April | 33 | 34 | ▲ 3.0% |
| May | 34 | 31 | ▼ 8.8% |
| June | 17 | 19 | ▲ 11.8% |
| July | 12 | 17 | ▲ 41.7% |
| August | 5 | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 35 | – | – |
| December | 42 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 73.7% | – |
| February | – | 73.3% | – |
| March | 76.9% | 75.0% | ▼ 2.5% |
| April | 78.8% | 76.5% | ▼ 2.9% |
| May | 85.3% | 64.5% | ▼ 24.4% |
| June | 82.4% | 47.4% | ▼ 42.5% |
| July | 75.0% | 17.7% | ▼ 76.5% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 88.5% | – | in progress |
| November | 82.9% | – | – |
| December | 63.4% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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% 476
- Cancelled 0.6% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX DEN Portland International Airport – Denver International Airport | 1,592 | 15.8 min | 59.3% | 60 |
| RNO LAS Reno Tahoe International Airport – Harry Reid International Airport | 556 | 16.0 min | 67.2% | 58 |
| GEG SMF Spokane International Airport – Sacramento International Airport | 1,045 | 2.3 min | 83.3% | 42 |
| TPA DAL Tampa International Airport – Dallas Love Field | 1,474 | 46.0 min | 30.3% | 33 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 9.6 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 50.0% | 0 |
| November 2024 | 12 | 12 | 83.3% | 0 |
| December 2024 | 24 | 24 | 62.5% | 0 |
| January 2025 | 6 | 5 | 0.0% | 1 |
| March 2025 | 26 | 26 | 76.9% | 0 |
| April 2025 | 33 | 33 | 78.8% | 0 |
| May 2025 | 34 | 34 | 85.3% | 0 |
| June 2025 | 17 | 17 | 82.4% | 0 |
| July 2025 | 12 | 12 | 75.0% | 0 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| October 2025 | 26 | 26 | 88.5% | 0 |
| November 2025 | 35 | 35 | 82.9% | 0 |
| December 2025 | 42 | 41 | 63.4% | 1 |
| January 2026 | 19 | 19 | 73.7% | 0 |
| February 2026 | 30 | 30 | 73.3% | 0 |
| March 2026 | 53 | 52 | 75.0% | 1 |
| April 2026 | 34 | 34 | 76.5% | 0 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 19 | 19 | 47.4% | 0 |
| July 2026 | 17 | 17 | 17.7% | 0 |