JU 310 then FR 9480 at Vienna
Belgrade → Vienna → Cologne
Timetable, Vienna time
09:15JU 310 from Belgrade at the gate
07:55FR 9480 to Cologne leaves the gate
22 h 40 apart on the timetable, overnight
FR 9480 leaves 22 h 40 after JU 310 arrives on the timetable: more than half a day, so not a connection we count.