FR 4002 then OS 775 at Vienna
Manchester → Vienna → Sofia
Timetable, Vienna time
21:25FR 4002 from Manchester at the gate
15:30OS 775 to Sofia leaves the gate
18 h 05 apart on the timetable, overnight
OS 775 leaves 18 h 05 after FR 4002 arrives on the timetable: more than half a day, so not a connection we count.