LX 1838 then EC 3656 at Athens
Zurich → Athens → Milan
Timetable, Athens time
16:55LX 1838 from Zurich at the gate
11:10EC 3656 to Milan leaves the gate
18 h 15 apart on the timetable, overnight
EC 3656 leaves 18 h 15 after LX 1838 arrives on the timetable: more than half a day, so not a connection we count.