FR 813 then BA 839 at Dublin
Edinburgh → Dublin → London Heathrow
Timetable, Dublin time
07:05FR 813 from Edinburgh at the gate
20:40BA 839 to London Heathrow leaves the gate
13 h 35 apart on the timetable
BA 839 leaves 13 h 35 after FR 813 arrives on the timetable: more than half a day, so not a connection we count.