BA 830 then FR 1556 at Dublin
London Heathrow → Dublin → Manchester
Timetable, Dublin time
12:05BA 830 from London Heathrow at the gate
08:45FR 1556 to Manchester leaves the gate
20 h 40 apart on the timetable, overnight
FR 1556 leaves 20 h 40 after BA 830 arrives on the timetable: more than half a day, so not a connection we count.