FR 4113 then FR 3946 at Fiumicino
Katowice → Rome → Palermo
Timetable, Rome time
20:00FR 4113 from Katowice at the gate
12:45FR 3946 to Palermo leaves the gate
16 h 45 apart on the timetable, overnight
FR 3946 leaves 16 h 45 after FR 4113 arrives on the timetable: more than half a day, so not a connection we count.