QR 3636 then BA 483 at Barcelona
Algiers → Barcelona → London Heathrow
Timetable, Barcelona time
19:40QR 3636 from Algiers at the gate
15:35BA 483 to London Heathrow leaves the gatealso IB 3780, AY 5938, QR 5984, AA 7061, VY 9561
19 h 55 apart on the timetable, overnight
BA 483 leaves 19 h 55 after QR 3636 arrives on the timetable: more than half a day, so not a connection we count.