BA 488 then QR 3624 at Barcelona
London Heathrow → Barcelona → Bordeaux
Timetable, Barcelona time
18:25BA 488 from London Heathrow at the gatealso AA 7199, VY 9668
16:40QR 3624 to Bordeaux leaves the gatealso LL 5462, VY 8122
22 h 15 apart on the timetable, overnight
QR 3624 leaves 22 h 15 after BA 488 arrives on the timetable: more than half a day, so not a connection we count.