TK 4951 then A3 991 at Istanbul
Antalya → Istanbul → Athens
Timetable, Istanbul time
11:45TK 4951 from Antalya at the gate
11:30A3 991 to Athens leaves the gate
23 h 45 apart on the timetable, overnight
A3 991 leaves 23 h 45 after TK 4951 arrives on the timetable: more than half a day, so not a connection we count.