FR 9612 then BA 4467 at Dublin
Rome → Dublin → London City
Timetable, Dublin time
19:50FR 9612 from Rome at the gate
16:00BA 4467 to London City leaves the gate
20 h 10 apart on the timetable, overnight
BA 4467 leaves 20 h 10 after FR 9612 arrives on the timetable: more than half a day, so not a connection we count.