AZ 159 then FR 6342 at Fiumicino
Brussels → Rome → Barcelona
Timetable, Rome time
13:40AZ 159 from Brussels at the gate
08:15FR 6342 to Barcelona leaves the gate
18 h 35 apart on the timetable, overnight
FR 6342 leaves 18 h 35 after AZ 159 arrives on the timetable: more than half a day, so not a connection we count.