AC 896 then GQ 830 at Athens
Toronto → Athens → Milan
Timetable, Athens time
11:00AC 896 from Toronto at the gate
08:00GQ 830 to Milan leaves the gate
21 h apart on the timetable, overnight
GQ 830 leaves 21 h after AC 896 arrives on the timetable: more than half a day, so not a connection we count.