FR 4768 then OS 693 at Vienna
Bologna → Vienna → Bucharest
Timetable, Vienna time
16:30FR 4768 from Bologna at the gate
09:55OS 693 to Bucharest leaves the gate
17 h 25 apart on the timetable, overnight
OS 693 leaves 17 h 25 after FR 4768 arrives on the timetable: more than half a day, so not a connection we count.