FR 509 then FR 816 at Dublin
Bristol → Dublin → Edinburgh
Timetable, Dublin time
19:50FR 509 from Bristol at the gate
13:45FR 816 to Edinburgh leaves the gate
17 h 55 apart on the timetable, overnight
FR 816 leaves 17 h 55 after FR 509 arrives on the timetable: more than half a day, so not a connection we count.