FR 6029 then GQ 342 at Athens
Valletta → Athens → Santorini
Timetable, Athens time
21:20FR 6029 from Valletta at the gate
11:50GQ 342 to Santorini leaves the gate
14 h 30 apart on the timetable, overnight
GQ 342 leaves 14 h 30 after FR 6029 arrives on the timetable: more than half a day, so not a connection we count.