WN4393
WN4393 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Salt Lake City to Phoenix. Of 271 departures recorded from October 2024 to July 2026, 74.6% left on time, according to the US BTS.
- On-time departures74.6%of 271 flights
- Average delay11.2 min
- July 202617▼ 22.7%vs July 2025
- Cancelled1.1%
- Legs flown under this number16
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 | 27 | 29 | ▲ 7.4% |
| February | 28 | 28 | 0.0% |
| March | 21 | 4 | ▼ 81.0% |
| April | 4 | – | – |
| May | – | 1 | – |
| June | 18 | 17 | ▼ 5.6% |
| July | 22 | 17 | ▼ 22.7% |
| August | 2 | – | – |
| September | – | – | – |
| October | 4 | – | in progress |
| November | 6 | – | – |
| December | 13 | – | – |
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 | 84.6% | 96.6% | ▲ 14.1% |
| February | 66.7% | 96.4% | ▲ 44.6% |
| March | 71.4% | 100.0% | ▲ 40.0% |
| April | 25.0% | – | – |
| May | – | 100.0% | – |
| June | 61.1% | 64.7% | ▲ 5.9% |
| July | 40.9% | 56.3% | ▲ 37.5% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 25.0% | – | in progress |
| November | 100.0% | – | – |
| December | 92.3% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| 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 98.9% 268
- Cancelled 1.1% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC PHX Salt Lake City International Airport – Phoenix Sky Harbor International Airport | 818 | 8.4 min | 77.2% | 59 |
| MSP DEN Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Denver International Airport | 1,092 | -1.7 min | 96.5% | 57 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 7 | 7 | 57.1% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 27 | 26 | 84.6% | 1 |
| February 2025 | 28 | 27 | 66.7% | 1 |
| March 2025 | 21 | 21 | 71.4% | 0 |
| April 2025 | 4 | 4 | 25.0% | 0 |
| June 2025 | 18 | 18 | 61.1% | 0 |
| July 2025 | 22 | 22 | 40.9% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 4 | 4 | 25.0% | 0 |
| November 2025 | 6 | 6 | 100.0% | 0 |
| December 2025 | 13 | 13 | 92.3% | 0 |
| January 2026 | 29 | 29 | 96.6% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 17 | 17 | 64.7% | 0 |
| July 2026 | 17 | 16 | 56.3% | 1 |