TK 208 then GA 839 at Changi
Istanbul → Singapore → Jakarta
Timetable, Singapore time
08:45TK 208 from Istanbul at the gate
21:15GA 839 to Jakarta leaves the gate
12 h 30 apart on the timetable
GA 839 leaves 12 h 30 after TK 208 arrives on the timetable: more than half a day, so not a connection we count.