GQ 841 then RO 274 at Athens
Vienna → Athens → Bucharest
Timetable, Athens time
21:55GQ 841 from Vienna at the gate
18:50RO 274 to Bucharest leaves the gate
20 h 55 apart on the timetable, overnight
RO 274 leaves 20 h 55 after GQ 841 arrives on the timetable: more than half a day, so not a connection we count.