WN4097
WN4097 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Phoenix to Salt Lake City. Of 177 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 177 flights
- Average delay12.1 min
- July 202617
- Cancelled0.0%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | 2 | 1 | ▼ 50.0% |
| March | 17 | 12 | ▼ 29.4% |
| April | 7 | 3 | ▼ 57.1% |
| May | 6 | – | – |
| June | – | 16 | – |
| July | – | 17 | – |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 100.0% | – |
| February | 100.0% | 0.0% | ▼ 100.0% |
| March | 70.6% | 100.0% | ▲ 41.7% |
| April | 71.4% | 66.7% | ▼ 6.7% |
| May | 83.3% | – | – |
| June | – | 12.5% | – |
| July | – | 29.4% | – |
| August | 92.3% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 50.0% | – | – |
| December | 100.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | – | 0 | – |
| 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 100.0% 177
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SLC Phoenix Sky Harbor International Airport – Salt Lake City International Airport | 818 | 2.0 min | 93.0% | 57 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 93.8% | 0 |
| November 2024 | 13 | 13 | 84.6% | 0 |
| December 2024 | 4 | 4 | 25.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 17 | 17 | 70.6% | 0 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| May 2025 | 6 | 6 | 83.3% | 0 |
| August 2025 | 26 | 26 | 92.3% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 1 | 1 | 0.0% | 0 |
| March 2026 | 12 | 12 | 100.0% | 0 |
| April 2026 | 3 | 3 | 66.7% | 0 |
| June 2026 | 16 | 16 | 12.5% | 0 |
| July 2026 | 17 | 17 | 29.4% | 0 |