WN4471
WN4471 (Southwest Airlines) is a multi-stop service on 11 routes, busiest Denver to Reno. Of 184 departures recorded from October 2024 to July 2026, 67.0% left on time, according to the US BTS.
- On-time departures67.0%of 184 flights
- Average delay24.7 min
- July 202617
- Cancelled1.1%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 6 | – |
| February | 8 | 1 | ▼ 87.5% |
| March | 1 | 39 | ▲ 3,800.0% |
| April | 15 | 9 | ▼ 40.0% |
| May | 23 | 1 | ▼ 95.7% |
| June | 2 | 16 | ▲ 700.0% |
| July | – | 17 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 8 | – | – |
| December | 22 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 50.0% | – |
| February | 62.5% | 100.0% | ▲ 60.0% |
| March | 100.0% | 81.1% | ▼ 18.9% |
| April | 66.7% | 88.9% | ▲ 33.3% |
| May | 47.8% | 100.0% | ▲ 109.1% |
| June | 0.0% | 50.0% | – |
| July | – | 58.8% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 87.5% | – | – |
| December | 63.6% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | 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 98.9% 182
- Cancelled 1.1% 2
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN RNO Denver International Airport – Reno Tahoe International Airport | 1,291 | 47.4 min | 52.5% | 40 |
| SLC MDW Salt Lake City International Airport – Chicago Midway International Airport | 2,021 | 8.8 min | 87.5% | 33 |
| AMA DAL Rick Husband Amarillo International Airport – Dallas Love Field | 520 | 33.8 min | 54.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 80.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| February 2025 | 8 | 8 | 62.5% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 15 | 15 | 66.7% | 0 |
| May 2025 | 23 | 23 | 47.8% | 0 |
| June 2025 | 2 | 2 | 0.0% | 0 |
| November 2025 | 8 | 8 | 87.5% | 0 |
| December 2025 | 22 | 22 | 63.6% | 0 |
| January 2026 | 6 | 6 | 50.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 39 | 37 | 81.1% | 2 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 16 | 16 | 50.0% | 0 |
| July 2026 | 17 | 17 | 58.8% | 0 |