FR 2508 then LL 5026 at Barcelona
Cologne → Barcelona → Brussels
Timetable, Barcelona time
21:45FR 2508 from Cologne at the gate
19:00LL 5026 to Brussels leaves the gate
21 h 15 apart on the timetable, overnight
LL 5026 leaves 21 h 15 after FR 2508 arrives on the timetable: more than half a day, so not a connection we count.