PC 3300 then GQ 671 at Istanbul
Izmir → Istanbul → Athens
Timetable, Istanbul time
13:00PC 3300 from Izmir at the gate
10:30GQ 671 to Athens leaves the gate
21 h 30 apart on the timetable, overnight
GQ 671 leaves 21 h 30 after PC 3300 arrives on the timetable: more than half a day, so not a connection we count.