LH 3453 then DE 1668 at Frankfurt
ZAQ → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
10:20LH 3453 from ZAQ at the gate
09:40DE 1668 to Heraklion leaves the gate
23 h 20 apart on the timetable, overnight
DE 1668 leaves 23 h 20 after LH 3453 arrives on the timetable: more than half a day, so not a connection we count.