AZ 159 then FR 6974 at Fiumicino
Brussels → Rome → Barcelona
Timetable, Rome time
13:40AZ 159 from Brussels at the gate
08:35FR 6974 to Barcelona leaves the gate
18 h 55 apart on the timetable, overnight
FR 6974 leaves 18 h 55 after AZ 159 arrives on the timetable: more than half a day, so not a connection we count.