LX 1838 then EW 2685 at Athens
Zurich → Athens → Stuttgart
Timetable, Athens time
16:50LX 1838 from Zurich at the gate
11:40EW 2685 to Stuttgart leaves the gate
18 h 50 apart on the timetable, overnight
EW 2685 leaves 18 h 50 after LX 1838 arrives on the timetable: more than half a day, so not a connection we count.