BA 474 then QR 3656 at Barcelona
London Heathrow → Barcelona → Paris Orly
Timetable, Barcelona time
10:25BA 474 from London Heathrow at the gatealso IB 3657, AA 6813, QR 8340, VY 9552
08:00QR 3656 to Paris Orly leaves the gate
21 h 35 apart on the timetable, overnight
QR 3656 leaves 21 h 35 after BA 474 arrives on the timetable: more than half a day, so not a connection we count.