Flight
SWA921 20 Sep 2026
SWA921, operated by Southwest Airlines, on 20 Sep 2026: Denver International (KDEN) to Boise Air Terminal (KBOI), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KBOI BOISE AIR TERMINAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:23 MDT |
| Last seen | 16:14 MDT |
| Duration | 1h 51m |
| Aircraft | N478WN |
| Max altitude | 38,025 ft |
| Distance tracked | 563 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KBOI BOISE AIR TERMINAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 17:12 MDT |
| Last seen | 23:58Z |
| Duration | 0h 45m |
| Aircraft | N478WN |
| Max altitude | 39,000 ft |
Punctuality, last 30 days
| Flights | 8 |
| On time | 0 (0%) |
| Average delay | +61 min |
| Worst delay | +302 min |
In the last 30 days SWA921 departed on time (within 15 minutes) on 0 of 8 flights (0%), with an average departure delay of +61 min and a worst delay of +302 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.