QR 3735 then BA 485 at Barcelona
Paris Orly → Barcelona → London Heathrow
Timetable, Barcelona time
19:00QR 3735 from Paris Orly at the gate
17:00BA 485 to London Heathrow leaves the gate
22 h apart on the timetable, overnight
BA 485 leaves 22 h after QR 3735 arrives on the timetable: more than half a day, so not a connection we count.