WN4766
WN4766 (Southwest Airlines) is a multi-stop service on 14 routes, busiest Denver to Salt Lake City. Of 326 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 326 flights
- Average delay9.8 min
- July 202627▼ 12.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number14
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 | 31 | 22 | ▼ 29.0% |
| February | 28 | 27 | ▼ 3.6% |
| March | 5 | 7 | ▲ 40.0% |
| April | – | 1 | – |
| May | – | – | – |
| June | 26 | 23 | ▼ 11.5% |
| July | 31 | 27 | ▼ 12.9% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 18 | – | – |
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 | 86.7% | 81.8% | ▼ 5.6% |
| February | 82.1% | 66.7% | ▼ 18.8% |
| March | 100.0% | 85.7% | ▼ 14.3% |
| April | – | 0.0% | – |
| May | – | – | – |
| June | 73.1% | 91.3% | ▲ 24.9% |
| July | 83.9% | 92.6% | ▲ 10.4% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| December | 77.8% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| 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 99.4% 324
- Cancelled 0.6% 2
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 |
|---|---|---|---|---|
| DEN SLC Denver International Airport – Salt Lake City International Airport | 628 | 14.9 min | 69.6% | 70 |
| TPA HOU Tampa International Airport – William P. Hobby Airport | 1,255 | 11.5 min | 80.3% | 61 |
| ABQ PHX Albuquerque International Sunport – Phoenix Sky Harbor International Airport | 527 | 11.8 min | 73.6% | 53 |
| JAX DEN Jacksonville International Airport – Denver International Airport | 2,325 | 2.1 min | 98.0% | 52 |
| OAK PHX Oakland San Francisco Bay Airport – Phoenix Sky Harbor International Airport | 1,039 | 4.9 min | 92.0% | 50 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 29 | 28 | 82.1% | 1 |
| December 2024 | 33 | 33 | 75.8% | 0 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| June 2025 | 26 | 26 | 73.1% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 18 | 18 | 77.8% | 0 |
| January 2026 | 22 | 22 | 81.8% | 0 |
| February 2026 | 27 | 27 | 66.7% | 0 |
| March 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 23 | 23 | 91.3% | 0 |
| July 2026 | 27 | 27 | 92.6% | 0 |