BA 478 then QR 3771 at Barcelona
London Heathrow → Barcelona → Basel
Timetable, Barcelona time
12:40BA 478 from London Heathrow at the gate
08:45QR 3771 to Basel leaves the gate
20 h 05 apart on the timetable, overnight
QR 3771 leaves 20 h 05 after BA 478 arrives on the timetable: more than half a day, so not a connection we count.