FR 9481 then SN 2906 at Vienna
Cologne → Vienna → Brussels
Timetable, Vienna time
22:10FR 9481 from Cologne at the gate
18:15SN 2906 to Brussels leaves the gate
20 h 05 apart on the timetable, overnight
SN 2906 leaves 20 h 05 after FR 9481 arrives on the timetable: more than half a day, so not a connection we count.