FR 555 then EI 164 at Dublin
Manchester → Dublin → London Heathrow
Timetable, Dublin time
18:10FR 555 from Manchester at the gate
12:05EI 164 to London Heathrow leaves the gate
17 h 55 apart on the timetable, overnight
EI 164 leaves 17 h 55 after FR 555 arrives on the timetable: more than half a day, so not a connection we count.