QR 3593 then BA 483 at Barcelona
Logrono → Barcelona → London Heathrow
Timetable, Barcelona time
13:00QR 3593 from Logrono at the gate
15:30BA 483 to London Heathrow leaves the gatealso IB 3780, AY 5938, QR 5984, AA 7061, VY 9561
2 h 30 apart on the timetable
The last days
QR 3593 and BA 483 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.