TK 209 then TK 1769 at Istanbul
Singapore → Istanbul → Prague
Timetable, Istanbul time
18:30TK 209 from Singapore at the gate
17:45TK 1769 to Prague leaves the gate
23 h 15 apart on the timetable, overnight
TK 1769 leaves 23 h 15 after TK 209 arrives on the timetable: more than half a day, so not a connection we count.