Flight
SWA3421 29 Sep 2026
SWA3421, operated by Southwest Airlines, on 29 Sep 2026: Denver International (KDEN) to Sacramento International (KSMF). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed, departed on time (-985 min) |
| Scheduled departure | 12:45 MDT |
| Actual departure | 20:20 MDT 28 Sep on time |
| Actual arrival | 13:57 PDT |
| Duration | 18h 37m |
| Aircraft | N8520Q B738 |
| Max altitude | 38,025 ft |
| Distance tracked | 788 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | -88 min |
| Worst delay | +269 min |
In the last 30 days SWA3421 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of -88 min and a worst delay of +269 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.