SM 651 then GQ 384 at Athens
Cairo → Athens → Thessaloniki
Timetable, Athens time
19:00SM 651 from Cairo at the gate
14:40GQ 384 to Thessaloniki leaves the gate
19 h 40 apart on the timetable, overnight
GQ 384 leaves 19 h 40 after SM 651 arrives on the timetable: more than half a day, so not a connection we count.