FR 6889 then OS 699 at Vienna
Tirana → Vienna → Bucharest
Timetable, Vienna time
21:45FR 6889 from Tirana at the gate
21:15OS 699 to Bucharest leaves the gate
23 h 30 apart on the timetable, overnight
OS 699 leaves 23 h 30 after FR 6889 arrives on the timetable: more than half a day, so not a connection we count.