BT 711 then TK 280 at Istanbul
Riga → Istanbul → Shanghai
Timetable, Istanbul time
15:05BT 711 from Riga at the gate
15:00TK 280 to Shanghai leaves the gate
23 h 55 apart on the timetable, overnight
TK 280 leaves 23 h 55 after BT 711 arrives on the timetable: more than half a day, so not a connection we count.