QR 3760 then QR 3771 at Barcelona
Paris Orly → Barcelona → Porto
Timetable, Barcelona time
18:05QR 3760 from Paris Orly at the gatealso IB 5445, LL 5445, VY 8019
18:35QR 3771 to Porto leaves the gatealso IB 5094, LL 5094
30 min apart on the timetable
The last days
QR 3760 and QR 3771 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.