LH 1279 then DE 4480 at Frankfurt
Athens → Frankfurt am Main → Prague
Timetable, Frankfurt am Main time
20:25LH 1279 from Athens at the gate
20:10DE 4480 to Prague leaves the gate
23 h 45 apart on the timetable, overnight
DE 4480 leaves 23 h 45 after LH 1279 arrives on the timetable: more than half a day, so not a connection we count.