3O 377 then VY 1180 at Barcelona
Tangier → Barcelona → Porto
Timetable, Barcelona time
14:003O 377 from Tangier at the gate
18:35VY 1180 to Porto leaves the gate
4 h 35 apart on the timetable
The last days
3O 377 and VY 1180 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.