IB 653 then FR 6974 at Fiumicino
Madrid → Rome → Barcelona
Timetable, Rome time
18:10IB 653 from Madrid at the gate
14:35FR 6974 to Barcelona leaves the gate
20 h 25 apart on the timetable, overnight
FR 6974 leaves 20 h 25 after IB 653 arrives on the timetable: more than half a day, so not a connection we count.