FR 879 then LA 5769 at Barcelona
Venezia → Barcelona → Porto
Timetable, Barcelona time
07:50FR 879 from Venezia at the gate
12:15LA 5769 to Porto leaves the gate
4 h 25 apart on the timetable
The last days
FR 879 and LA 5769 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.