TK 299 then C6 302 at Istanbul
Guangzhou → Istanbul → Tashkent
Timetable, Istanbul time
13:40TK 299 from Guangzhou at the gate
10:10C6 302 to Tashkent leaves the gate
20 h 30 apart on the timetable, overnight
C6 302 leaves 20 h 30 after TK 299 arrives on the timetable: more than half a day, so not a connection we count.