FR 270 then IB 5446 at Barcelona
Milan → Barcelona → Paris Orly
Timetable, Barcelona time
17:10FR 270 from Milan at the gate
14:25IB 5446 to Paris Orly leaves the gatealso LL 5446
21 h 15 apart on the timetable, overnight
IB 5446 leaves 21 h 15 after FR 270 arrives on the timetable: more than half a day, so not a connection we count.