Flight
SWA2421 6 Jan 2026
SWA2421, operated by Southwest Airlines, on 6 Jan 2026: Denver International (KDEN) to Lambert St Louis International (KSTL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:17 MST 5 Jan |
| Last seen | 07:06 CST |
| Duration | 8h 48m |
| Aircraft | N8558Z |
| Max altitude | 39,000 ft |
| Distance tracked | 667 nm |
Punctuality, last 30 days
| Flights | 10 |
| On time | 8 (80%) |
| Average delay | +13 min |
| Worst delay | +37 min |
In the last 30 days SWA2421 departed on time (within 15 minutes) on 8 of 10 flights (80%), with an average departure delay of +13 min and a worst delay of +37 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.