OS 772 then FR 7191 at Vienna
Sofia → Vienna → Rome
Timetable, Vienna time
13:10OS 772 from Sofia at the gate
12:40FR 7191 to Rome leaves the gate
23 h 30 apart on the timetable, overnight
FR 7191 leaves 23 h 30 after OS 772 arrives on the timetable: more than half a day, so not a connection we count.