EW 9752 then MS 798 at Vienna
Düsseldorf → Vienna → Cairo
Timetable, Vienna time
15:50EW 9752 from Düsseldorf at the gate
15:30MS 798 to Cairo leaves the gate
23 h 40 apart on the timetable, overnight
MS 798 leaves 23 h 40 after EW 9752 arrives on the timetable: more than half a day, so not a connection we count.