KM 614 then W4 6255 at Fiumicino
Valletta → Rome → Palermo
Timetable, Rome time
20:10KM 614 from Valletta at the gate
18:50W4 6255 to Palermo leaves the gate
22 h 40 apart on the timetable, overnight
W4 6255 leaves 22 h 40 after KM 614 arrives on the timetable: more than half a day, so not a connection we count.