TK 163 then TK 1887 at Istanbul
Ho Chi Minh City → Istanbul → Vienna
Timetable, Istanbul time
05:20TK 163 from Ho Chi Minh City at the gate
18:00TK 1887 to Vienna leaves the gate
12 h 40 apart on the timetable
TK 1887 leaves 12 h 40 after TK 163 arrives on the timetable: more than half a day, so not a connection we count.