EI 3301 then FR 6875 at Dublin
Southampton → Dublin → Barcelona
Timetable, Dublin time
11:00EI 3301 from Southampton at the gate
06:40FR 6875 to Barcelona leaves the gate
19 h 40 apart on the timetable, overnight
FR 6875 leaves 19 h 40 after EI 3301 arrives on the timetable: more than half a day, so not a connection we count.