GQ 21 then AZ 719 at Athens
Syros → Athens → Rome
Timetable, Athens time
14:00GQ 21 from Syros at the gate
12:45AZ 719 to Rome leaves the gate
22 h 45 apart on the timetable, overnight
AZ 719 leaves 22 h 45 after GQ 21 arrives on the timetable: more than half a day, so not a connection we count.