EI 209 then FR 332 at Dublin
Manchester → Dublin → London Luton
Timetable, Dublin time
15:15EI 209 from Manchester at the gate
09:20FR 332 to London Luton leaves the gate
18 h 05 apart on the timetable, overnight
FR 332 leaves 18 h 05 after EI 209 arrives on the timetable: more than half a day, so not a connection we count.