MS 785 then 4Y 1408 at Frankfurt
Cairo → Frankfurt am Main → Varna
Timetable, Frankfurt am Main time
14:10MS 785 from Cairo at the gate
13:254Y 1408 to Varna leaves the gate
23 h 15 apart on the timetable, overnight
4Y 1408 leaves 23 h 15 after MS 785 arrives on the timetable: more than half a day, so not a connection we count.