FR 4903 then VY 6003 at Fiumicino
Palermo → Rome → Barcelona
Timetable, Rome time
23:30FR 4903 from Palermo at the gate
11:45VY 6003 to Barcelona leaves the gate
12 h 15 apart on the timetable, overnight
VY 6003 leaves 12 h 15 after FR 4903 arrives on the timetable: more than half a day, so not a connection we count.