H7 421 then TK 81 at Istanbul
Chişinău → Istanbul → Boston
Timetable, Istanbul time
22:30H7 421 from Chişinău at the gate
15:35TK 81 to Boston leaves the gate
17 h 05 apart on the timetable, overnight
TK 81 leaves 17 h 05 after H7 421 arrives on the timetable: more than half a day, so not a connection we count.