IB 5479 then IB 5094 at Barcelona
Nantes → Barcelona → Porto
Timetable, Barcelona time
11:25IB 5479 from Nantes at the gatealso LL 5479, VY 8139
18:35IB 5094 to Porto leaves the gatealso LL 5094
7 h 10 apart on the timetable
The last days
IB 5479 and IB 5094 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.