EI 3301 then FR 1452 at Dublin
Southampton → Dublin → Brussels
Timetable, Dublin time
11:00EI 3301 from Southampton at the gate
06:20FR 1452 to Brussels leaves the gate
19 h 20 apart on the timetable, overnight
FR 1452 leaves 19 h 20 after EI 3301 arrives on the timetable: more than half a day, so not a connection we count.