WN4207
WN4207 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Spokane to Denver. Of 303 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 303 flights
- Average delay9.5 min
- July 202641
- Cancelled1.0%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 3 | ▲ 200.0% |
| February | 10 | – | – |
| March | 28 | – | – |
| April | 19 | – | – |
| May | 18 | 1 | ▼ 94.4% |
| June | 2 | 35 | ▲ 1,650.0% |
| July | – | 41 | – |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 24 | – | – |
| December | 20 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 100.0% | – |
| February | 40.0% | – | – |
| March | 85.2% | – | – |
| April | 79.0% | – | – |
| May | 50.0% | 100.0% | ▲ 100.0% |
| June | 100.0% | 72.7% | ▼ 27.3% |
| July | – | 58.5% | – |
| August | 100.0% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | 66.7% | – | – |
| December | 60.0% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 1 | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.0% 300
- Cancelled 1.0% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GEG DEN Spokane International Airport – Denver International Airport | 1,343 | -0.8 min | 98.3% | 57 |
| STL MSP St. Louis Lambert International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 722 | 16.3 min | 66.0% | 47 |
| AUS MSY Austin Bergstrom International Airport – Louis Armstrong New Orleans International Airport | 712 | 18.1 min | 53.7% | 42 |
| MAF AUS Midland International Air and Space Port – Austin Bergstrom International Airport | 474 | 5.0 min | 78.8% | 34 |
| JAX BWI Jacksonville International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,068 | 7.1 min | 78.1% | 33 |
| MKE LAS General Mitchell International Airport – Harry Reid International Airport | 2,447 | 19.1 min | 68.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 88.0% | 0 |
| November 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| February 2025 | 10 | 10 | 40.0% | 0 |
| March 2025 | 28 | 27 | 85.2% | 1 |
| April 2025 | 19 | 19 | 79.0% | 0 |
| May 2025 | 18 | 18 | 50.0% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| August 2025 | 26 | 26 | 100.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 24 | 24 | 66.7% | 0 |
| December 2025 | 20 | 20 | 60.0% | 0 |
| January 2026 | 3 | 3 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 35 | 33 | 72.7% | 2 |
| July 2026 | 41 | 41 | 58.5% | 0 |