Flight
SIA421 25 Oct 2025
SIA421, operated by Singapore Airlines, on 25 Oct 2025. Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 07:03Z |
| Last seen | 14:44Z |
| Duration | 7h 40m |
| Aircraft | 76CC77 |
| Max altitude | 39,000 ft |
Punctuality, last 30 days
No completed SIA421 departures with FAA schedule times in the last 30 days.
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.