FR 8446 then W4 6251 at Fiumicino
Seville → Rome → Palermo
Timetable, Rome time
12:00FR 8446 from Seville at the gate
08:20W4 6251 to Palermo leaves the gate
20 h 20 apart on the timetable, overnight
W4 6251 leaves 20 h 20 after FR 8446 arrives on the timetable: more than half a day, so not a connection we count.