TK 1054 then GQ 671 at Istanbul
Zagreb → Istanbul → Athens
Timetable, Istanbul time
13:45TK 1054 from Zagreb at the gate
10:30GQ 671 to Athens leaves the gate
20 h 45 apart on the timetable, overnight
GQ 671 leaves 20 h 45 after TK 1054 arrives on the timetable: more than half a day, so not a connection we count.