T5 915 then TK 1887 at Istanbul
Ashgabat → Istanbul → Vienna
Timetable, Istanbul time
05:45T5 915 from Ashgabat at the gate
18:00TK 1887 to Vienna leaves the gate
12 h 15 apart on the timetable
TK 1887 leaves 12 h 15 after T5 915 arrives on the timetable: more than half a day, so not a connection we count.