LH 455 then DE 1668 at Frankfurt
San Francisco → Frankfurt am Main → Heraklion
Timetable, Frankfurt am Main time
10:30LH 455 from San Francisco at the gate
09:40DE 1668 to Heraklion leaves the gate
23 h 10 apart on the timetable, overnight
DE 1668 leaves 23 h 10 after LH 455 arrives on the timetable: more than half a day, so not a connection we count.