Flight
SWA4399 22 Sep 2026
SWA4399, operated by Southwest Airlines, on 22 Sep 2026: Salt Lake City International (KSLC) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSLC SALT LAKE CITY INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:54 MDT |
| Last seen | 13:34 MDT |
| Duration | 1h 39m |
| Aircraft | AC4237 |
| Max altitude | 37,025 ft |
| Distance tracked | 339 nm |
Punctuality, last 30 days
| Flights | 2 |
| On time | 1 (50%) |
| Average delay | +15 min |
| Worst delay | +21 min |
In the last 30 days SWA4399 departed on time (within 15 minutes) on 1 of 2 flights (50%), with an average departure delay of +15 min and a worst delay of +21 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.