LH 3457 then DE 1668 at Frankfurt
ZAQ → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
12:19LH 3457 from ZAQ at the gate
09:40DE 1668 to Heraklion leaves the gate
21 h 21 apart on the timetable, overnight
DE 1668 leaves 21 h 21 after LH 3457 arrives on the timetable: more than half a day, so not a connection we count.