FR 4768 then OS 779 at Vienna
Bologna → Vienna → Sofia
Timetable, Vienna time
07:20FR 4768 from Bologna at the gate
21:25OS 779 to Sofia leaves the gate
14 h 05 apart on the timetable
OS 779 leaves 14 h 05 after FR 4768 arrives on the timetable: more than half a day, so not a connection we count.