Flight
SIA421 29 May 2026
SIA421, operated by Singapore Airlines, on 29 May 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | WMKJ SULTAN ISMAIL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 12:45 +08 |
| Last seen | 11:28Z |
| Duration | 6h 42m |
| Aircraft | 76CC74 |
| Max altitude | 35,000 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.