IB 548 then EC 7652 at Madrid
Porto → Madrid → Lisbon
Timetable, Madrid time
18:55IB 548 from Porto at the gate
22:05EC 7652 to Lisbon leaves the gate
3 h 10 apart on the timetable
The last days
IB 548 and EC 7652 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.