FR 507 then EI 386 at Dublin
Bristol → Dublin → London Heathrow
Timetable, Dublin time
07:25FR 507 from Bristol at the gate
19:45EI 386 to London Heathrow leaves the gate
12 h 20 apart on the timetable
EI 386 leaves 12 h 20 after FR 507 arrives on the timetable: more than half a day, so not a connection we count.