GQ 273 then A3 808 at Athens
Corfu → Athens → Stuttgart
Timetable, Athens time
17:00GQ 273 from Corfu at the gate
16:50A3 808 to Stuttgart leaves the gate
23 h 50 apart on the timetable, overnight
A3 808 leaves 23 h 50 after GQ 273 arrives on the timetable: more than half a day, so not a connection we count.