FR 1815 then W4 6253 at Fiumicino
Porto → Rome → Palermo
Timetable, Rome time
20:25FR 1815 from Porto at the gate
18:00W4 6253 to Palermo leaves the gate
21 h 35 apart on the timetable, overnight
W4 6253 leaves 21 h 35 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.