IB 400 then IB 1149 at Madrid
Barcelona → Madrid → Porto
Timetable, Madrid time
08:05IB 400 from Barcelona at the gatealso CX 1830, LL 3000
11:25IB 1149 to Porto leaves the gatealso CX 1922, AY 4791, VY 5752
3 h 20 apart on the timetable
The last days
IB 400 and IB 1149 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.