H7 421 then TK 568 at Istanbul
Chişinău → Istanbul → Arusha
Timetable, Istanbul time
22:30H7 421 from Chişinău at the gate
19:30TK 568 to Arusha leaves the gate
21 h apart on the timetable, overnight
TK 568 leaves 21 h after H7 421 arrives on the timetable: more than half a day, so not a connection we count.