FR 661 then EI 386 at Dublin
Birmingham (UK) → Dublin → London Heathrow
Timetable, Dublin time
20:20FR 661 from Birmingham (UK) at the gate
19:45EI 386 to London Heathrow leaves the gate
23 h 25 apart on the timetable, overnight
EI 386 leaves 23 h 25 after FR 661 arrives on the timetable: more than half a day, so not a connection we count.