QR 3593 then BA 475 at Barcelona
Logrono → Barcelona → London Heathrow
Timetable, Barcelona time
13:00QR 3593 from Logrono at the gate
11:30BA 475 to London Heathrow leaves the gatealso IB 3658, LA 5488, AA 6814, VY 9640
22 h 30 apart on the timetable, overnight
BA 475 leaves 22 h 30 after QR 3593 arrives on the timetable: more than half a day, so not a connection we count.