QR 3593 then BA 477 at Barcelona
Logrono → Barcelona → London Heathrow
Timetable, Barcelona time
13:00QR 3593 from Logrono at the gate
12:25BA 477 to London Heathrow leaves the gatealso IB 3659, AA 6815, VY 9555
23 h 25 apart on the timetable, overnight
BA 477 leaves 23 h 25 after QR 3593 arrives on the timetable: more than half a day, so not a connection we count.