FR 1243 then EW 2685 at Athens
Budapest → Athens → Stuttgart
Timetable, Athens time
17:15FR 1243 from Budapest at the gate
11:40EW 2685 to Stuttgart leaves the gate
18 h 25 apart on the timetable, overnight
EW 2685 leaves 18 h 25 after FR 1243 arrives on the timetable: more than half a day, so not a connection we count.