H7 421 then TK 1897 at Istanbul
Chişinău → Istanbul → Vienna
Timetable, Istanbul time
22:30H7 421 from Chişinău at the gate
15:10TK 1897 to Vienna leaves the gate
16 h 40 apart on the timetable, overnight
TK 1897 leaves 16 h 40 after H7 421 arrives on the timetable: more than half a day, so not a connection we count.