FR 813 then EI 386 at Dublin
Edinburgh → Dublin → London Heathrow
Timetable, Dublin time
07:05FR 813 from Edinburgh at the gate
19:45EI 386 to London Heathrow leaves the gate
12 h 40 apart on the timetable
EI 386 leaves 12 h 40 after FR 813 arrives on the timetable: more than half a day, so not a connection we count.