Flight
RPA4521 19 Apr 2026
RPA4521, operated by Republic Airlines, on 19 Apr 2026: La Guardia (KLGA) to Lambert St Louis International (KSTL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KLGA LA GUARDIA → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:55 EDT |
| Last seen | 17:34 CDT |
| Duration | 2h 38m |
| Aircraft | N435YX |
| Max altitude | 26,000 ft |
| Distance tracked | 769 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 18:06 CDT |
| Last seen | 23:58Z |
| Duration | 0h 51m |
| Aircraft | N435YX |
| Max altitude | 31,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | -737 min |
| Worst delay | +183 min |
In the last 30 days RPA4521 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of -737 min and a worst delay of +183 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.