A3 141 then GQ 346 at Athens
Alexandroupolis → Athens → Santorini
Timetable, Athens time
07:55A3 141 from Alexandroupolis at the gate
20:15GQ 346 to Santorini leaves the gate
12 h 20 apart on the timetable
GQ 346 leaves 12 h 20 after A3 141 arrives on the timetable: more than half a day, so not a connection we count.