IB 5353 then FR 6927 at Barcelona
Milan → Barcelona → Rome
Timetable, Barcelona time
11:55IB 5353 from Milan at the gate
09:05FR 6927 to Rome leaves the gate
21 h 10 apart on the timetable, overnight
FR 6927 leaves 21 h 10 after IB 5353 arrives on the timetable: more than half a day, so not a connection we count.