FR 5315 then FR 6974 at Fiumicino
Madrid → Rome → Barcelona
Timetable, Rome time
11:15FR 5315 from Madrid at the gate
08:35FR 6974 to Barcelona leaves the gate
21 h 20 apart on the timetable, overnight
FR 6974 leaves 21 h 20 after FR 5315 arrives on the timetable: more than half a day, so not a connection we count.