IB 5287 then IB 5094 at Barcelona
Mahón → Barcelona → Porto
Timetable, Barcelona time
09:30IB 5287 from Mahón at the gate
18:35IB 5094 to Porto leaves the gatealso LL 5094
9 h 05 apart on the timetable
The last days
IB 5287 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.