KM 784 then A3 999 at Istanbul
Valletta → Istanbul → Athens
Timetable, Istanbul time
10:35KM 784 from Valletta at the gate
06:30A3 999 to Athens leaves the gate
19 h 55 apart on the timetable, overnight
A3 999 leaves 19 h 55 after KM 784 arrives on the timetable: more than half a day, so not a connection we count.