IB 5093 then LO 4704 at Barcelona
Porto → Barcelona → Lisbon
Timetable, Barcelona time
17:20IB 5093 from Porto at the gate
21:10LO 4704 to Lisbon leaves the gate
3 h 50 apart on the timetable
The last days
IB 5093 and LO 4704 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.