LM 51 then EI 168 at Dublin
Aberdeen → Dublin → London Heathrow
Timetable, Dublin time
20:15LM 51 from Aberdeen at the gate
14:15EI 168 to London Heathrow leaves the gate
18 h apart on the timetable, overnight
EI 168 leaves 18 h after LM 51 arrives on the timetable: more than half a day, so not a connection we count.