LH 447 then DE 1668 at Frankfurt
Denver → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
10:55LH 447 from Denver at the gate
09:40DE 1668 to Heraklion leaves the gate
22 h 45 apart on the timetable, overnight
DE 1668 leaves 22 h 45 after LH 447 arrives on the timetable: more than half a day, so not a connection we count.