FR 819 then EI 164 at Dublin
Edinburgh → Dublin → London Heathrow
Timetable, Dublin time
12:15FR 819 from Edinburgh at the gate
12:05EI 164 to London Heathrow leaves the gate
23 h 50 apart on the timetable, overnight
EI 164 leaves 23 h 50 after FR 819 arrives on the timetable: more than half a day, so not a connection we count.