BA 482 then QR 3540 at Barcelona
London Heathrow → Barcelona → Santander
Timetable, Barcelona time
17:15BA 482 from London Heathrow at the gate
11:00QR 3540 to Santander leaves the gate
17 h 45 apart on the timetable, overnight
QR 3540 leaves 17 h 45 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.