OS 754 then FR 9480 at Vienna
Tirana → Vienna → Cologne
Timetable, Vienna time
13:50OS 754 from Tirana at the gate
07:55FR 9480 to Cologne leaves the gate
18 h 05 apart on the timetable, overnight
FR 9480 leaves 18 h 05 after OS 754 arrives on the timetable: more than half a day, so not a connection we count.