FR 509 then FR 6899 at Dublin
Bristol → Dublin → Palermo
Timetable, Dublin time
19:50FR 509 from Bristol at the gate
15:00FR 6899 to Palermo leaves the gate
19 h 10 apart on the timetable, overnight
FR 6899 leaves 19 h 10 after FR 509 arrives on the timetable: more than half a day, so not a connection we count.