EI 151 then FR 558 at Dublin
London Heathrow → Dublin → Manchester
Timetable, Dublin time
09:10EI 151 from London Heathrow at the gate
21:30FR 558 to Manchester leaves the gate
12 h 20 apart on the timetable
FR 558 leaves 12 h 20 after EI 151 arrives on the timetable: more than half a day, so not a connection we count.