A3 981 then GQ 460 at Athens
Sofia → Athens → Karpathos
Timetable, Athens time
12:20A3 981 from Sofia at the gate
12:15GQ 460 to Karpathos leaves the gate
23 h 55 apart on the timetable, overnight
GQ 460 leaves 23 h 55 after A3 981 arrives on the timetable: more than half a day, so not a connection we count.