FR 123 then FR 5164 at Dublin
London Gatwick → Dublin → Bristol
Timetable, Dublin time
16:15FR 123 from London Gatwick at the gate
15:45FR 5164 to Bristol leaves the gate
23 h 30 apart on the timetable, overnight
FR 5164 leaves 23 h 30 after FR 123 arrives on the timetable: more than half a day, so not a connection we count.