EI 165 then FR 554 at Dublin
London Heathrow → Dublin → Manchester
Timetable, Dublin time
15:40EI 165 from London Heathrow at the gate
07:25FR 554 to Manchester leaves the gate
15 h 45 apart on the timetable, overnight
FR 554 leaves 15 h 45 after EI 165 arrives on the timetable: more than half a day, so not a connection we count.