OS 754 then FR 1586 at Vienna
Tirana → Vienna → Valletta
Timetable, Vienna time
13:50OS 754 from Tirana at the gate
08:45FR 1586 to Valletta leaves the gate
18 h 55 apart on the timetable, overnight
FR 1586 leaves 18 h 55 after OS 754 arrives on the timetable: more than half a day, so not a connection we count.