QR 239 then C6 302 at Istanbul
Doha → Istanbul → Tashkent
Timetable, Istanbul time
12:20QR 239 from Doha at the gate
10:10C6 302 to Tashkent leaves the gate
21 h 50 apart on the timetable, overnight
C6 302 leaves 21 h 50 after QR 239 arrives on the timetable: more than half a day, so not a connection we count.