U2 9046 then FR 6974 at Fiumicino
Milan → Rome → Barcelona
Timetable, Rome time
09:32U2 9046 from Milan at the gate
08:35FR 6974 to Barcelona leaves the gate
23 h 03 apart on the timetable, overnight
FR 6974 leaves 23 h 03 after U2 9046 arrives on the timetable: more than half a day, so not a connection we count.