EC 3749 then QR 3577 at Barcelona
Milan → Barcelona → Paris Orly
Timetable, Barcelona time
09:40EC 3749 from Milan at the gate
09:30QR 3577 to Paris Orly leaves the gate
23 h 50 apart on the timetable, overnight
QR 3577 leaves 23 h 50 after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.