A3 661 then A3 868 at Athens
Milan → Athens → Krakow
Timetable, Athens time
14:35A3 661 from Milan at the gate
11:00A3 868 to Krakow leaves the gate
20 h 25 apart on the timetable, overnight
A3 868 leaves 20 h 25 after A3 661 arrives on the timetable: more than half a day, so not a connection we count.