OS 296 then FR 9480 at Vienna
Brussels → Vienna → Cologne
Timetable, Vienna time
19:30OS 296 from Brussels at the gate
08:05FR 9480 to Cologne leaves the gate
12 h 35 apart on the timetable, overnight
FR 9480 leaves 12 h 35 after OS 296 arrives on the timetable: more than half a day, so not a connection we count.