A3 115 then GQ 830 at Athens
Thessaloniki → Athens → Milan
Timetable, Athens time
13:45A3 115 from Thessaloniki at the gate
08:00GQ 830 to Milan leaves the gate
18 h 15 apart on the timetable, overnight
GQ 830 leaves 18 h 15 after A3 115 arrives on the timetable: more than half a day, so not a connection we count.