BA 482 then QR 3677 at Barcelona
London Heathrow → Barcelona → Paris Orly
Timetable, Barcelona time
17:15BA 482 from London Heathrow at the gate
16:45QR 3677 to Paris Orly leaves the gatealso IB 5450, LL 5450
23 h 30 apart on the timetable, overnight
QR 3677 leaves 23 h 30 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.