EW 2684 then A3 898 at Athens
Stuttgart → Athens → Yerevan
Timetable, Athens time
11:00EW 2684 from Stuttgart at the gate
23:50A3 898 to Yerevan leaves the gate
12 h 50 apart on the timetable
A3 898 leaves 12 h 50 after EW 2684 arrives on the timetable: more than half a day, so not a connection we count.