EI 159 then EI 3372 at Dublin
London Heathrow → Dublin → Inverness
Timetable, Dublin time
13:35EI 159 from London Heathrow at the gate
10:20EI 3372 to Inverness leaves the gate
20 h 45 apart on the timetable, overnight
EI 3372 leaves 20 h 45 after EI 159 arrives on the timetable: more than half a day, so not a connection we count.