A3 871 then GQ 830 at Athens
Warsaw Chopin → Athens → Milan
Timetable, Athens time
15:00A3 871 from Warsaw Chopin at the gate
14:00GQ 830 to Milan leaves the gate
23 h apart on the timetable, overnight
GQ 830 leaves 23 h after A3 871 arrives on the timetable: more than half a day, so not a connection we count.