FR 658 then FR 6875 at Dublin
Brussels → Dublin → Barcelona
Timetable, Dublin time
10:30FR 658 from Brussels at the gate
06:05FR 6875 to Barcelona leaves the gate
19 h 35 apart on the timetable, overnight
FR 6875 leaves 19 h 35 after FR 658 arrives on the timetable: more than half a day, so not a connection we count.