LM 51 then EI 184 at Dublin
Aberdeen → Dublin → London Heathrow
Timetable, Dublin time
20:15LM 51 from Aberdeen at the gate
19:45EI 184 to London Heathrow leaves the gate
23 h 30 apart on the timetable, overnight
EI 184 leaves 23 h 30 after LM 51 arrives on the timetable: more than half a day, so not a connection we count.