OS 652 then FR 182 at Vienna
Kosice → Vienna → Sofia
Timetable, Vienna time
15:55OS 652 from Kosice at the gate
11:40FR 182 to Sofia leaves the gate
19 h 45 apart on the timetable, overnight
FR 182 leaves 19 h 45 after OS 652 arrives on the timetable: more than half a day, so not a connection we count.