W4 6136 then AZ 1781 at Fiumicino
Prague → Rome → Palermo
Timetable, Rome time
17:00W4 6136 from Prague at the gate
13:15AZ 1781 to Palermo leaves the gate
20 h 15 apart on the timetable, overnight
AZ 1781 leaves 20 h 15 after W4 6136 arrives on the timetable: more than half a day, so not a connection we count.