KL 1819 then DE 1668 at Frankfurt
Amsterdam → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
13:35KL 1819 from Amsterdam at the gate
09:40DE 1668 to Heraklion leaves the gate
20 h 05 apart on the timetable, overnight
DE 1668 leaves 20 h 05 after KL 1819 arrives on the timetable: more than half a day, so not a connection we count.