EI 631 then FR 337 at Dublin
Brussels → Dublin → London Luton
Timetable, Dublin time
11:05EI 631 from Brussels at the gate
10:45FR 337 to London Luton leaves the gate
23 h 40 apart on the timetable, overnight
FR 337 leaves 23 h 40 after EI 631 arrives on the timetable: more than half a day, so not a connection we count.