FR 5569 then BA 831 at Dublin
Rome → Dublin → London Heathrow
Timetable, Dublin time
13:25FR 5569 from Rome at the gate
13:05BA 831 to London Heathrow leaves the gate
23 h 40 apart on the timetable, overnight
BA 831 leaves 23 h 40 after FR 5569 arrives on the timetable: more than half a day, so not a connection we count.