W4 6254 then FR 6974 at Fiumicino
Palermo → Rome → Barcelona
Timetable, Rome time
17:20W4 6254 from Palermo at the gate
13:05FR 6974 to Barcelona leaves the gate
19 h 45 apart on the timetable, overnight
FR 6974 leaves 19 h 45 after W4 6254 arrives on the timetable: more than half a day, so not a connection we count.