FR 6921 then EW 9443 at Barcelona
Dublin → Barcelona → Düsseldorf
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
19:35EW 9443 to Düsseldorf leaves the gate
21 h 55 apart on the timetable, overnight
EW 9443 leaves 21 h 55 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.