OS 772 then FR 7350 at Vienna
Sofia → Vienna → Barcelona
Timetable, Vienna time
13:10OS 772 from Sofia at the gate
07:05FR 7350 to Barcelona leaves the gate
17 h 55 apart on the timetable, overnight
FR 7350 leaves 17 h 55 after OS 772 arrives on the timetable: more than half a day, so not a connection we count.