HH 575 then TK 150 at Istanbul
Tashkent → Istanbul → Ad Dammam
Timetable, Istanbul time
08:25HH 575 from Tashkent at the gate
20:55TK 150 to Ad Dammam leaves the gate
12 h 30 apart on the timetable
TK 150 leaves 12 h 30 after HH 575 arrives on the timetable: more than half a day, so not a connection we count.