EI 637 then FR 6875 at Dublin
Brussels → Dublin → Barcelona
Timetable, Dublin time
19:50EI 637 from Brussels at the gate
15:50FR 6875 to Barcelona leaves the gate
20 h apart on the timetable, overnight
FR 6875 leaves 20 h after EI 637 arrives on the timetable: more than half a day, so not a connection we count.