OS 754 then FR 182 at Vienna
Tirana → Vienna → Sofia
Timetable, Vienna time
13:50OS 754 from Tirana at the gate
11:40FR 182 to Sofia leaves the gate
21 h 50 apart on the timetable, overnight
FR 182 leaves 21 h 50 after OS 754 arrives on the timetable: more than half a day, so not a connection we count.