OS 700 then OS 1159 at Vienna
Bucharest → Vienna → Tirana
Timetable, Vienna time
07:35OS 700 from Bucharest at the gate
05:45OS 1159 to Tirana leaves the gate
22 h 10 apart on the timetable, overnight
OS 1159 leaves 22 h 10 after OS 700 arrives on the timetable: more than half a day, so not a connection we count.