BT 711 then C6 302 at Istanbul
Riga → Istanbul → Tashkent
Timetable, Istanbul time
15:55BT 711 from Riga at the gate
10:10C6 302 to Tashkent leaves the gate
18 h 15 apart on the timetable, overnight
C6 302 leaves 18 h 15 after BT 711 arrives on the timetable: more than half a day, so not a connection we count.