A3 830 then DE 1668 at Frankfurt
Athens → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
10:15A3 830 from Athens at the gate
09:40DE 1668 to Heraklion leaves the gate
23 h 25 apart on the timetable, overnight
DE 1668 leaves 23 h 25 after A3 830 arrives on the timetable: more than half a day, so not a connection we count.