FR 4903 then VY 6011 at Fiumicino
Palermo → Rome → Barcelona
Timetable, Rome time
21:00FR 4903 from Palermo at the gate
15:20VY 6011 to Barcelona leaves the gate
18 h 20 apart on the timetable, overnight
VY 6011 leaves 18 h 20 after FR 4903 arrives on the timetable: more than half a day, so not a connection we count.