FR 5569 then EI 164 at Dublin
Rome → Dublin → London Heathrow
Timetable, Dublin time
14:25FR 5569 from Rome at the gate
12:05EI 164 to London Heathrow leaves the gate
21 h 40 apart on the timetable, overnight
EI 164 leaves 21 h 40 after FR 5569 arrives on the timetable: more than half a day, so not a connection we count.