DE 1669 then LH 914 at Frankfurt
Heraklion → Frankfurt am Main → London Heathrow
Timetable, Frankfurt am Main time
18:55DE 1669 from Heraklion at the gate
16:10LH 914 to London Heathrow leaves the gate
21 h 15 apart on the timetable, overnight
LH 914 leaves 21 h 15 after DE 1669 arrives on the timetable: more than half a day, so not a connection we count.