XY 205 then EK 117 at Dubai
Riyadh → Dubai → Istanbul
Timetable, Dubai time
18:25XY 205 from Riyadh at the gate
17:45EK 117 to Istanbul leaves the gate
23 h 20 apart on the timetable, overnight
EK 117 leaves 23 h 20 after XY 205 arrives on the timetable: more than half a day, so not a connection we count.