U2 2986 then FR 3946 at Fiumicino
Brussels → Rome → Palermo
Timetable, Rome time
11:15U2 2986 from Brussels at the gate
05:45FR 3946 to Palermo leaves the gate
18 h 30 apart on the timetable, overnight
FR 3946 leaves 18 h 30 after U2 2986 arrives on the timetable: more than half a day, so not a connection we count.