EC 3749 then LO 4715 at Barcelona
Milan → Barcelona → Lisbon
Timetable, Barcelona time
09:40EC 3749 from Milan at the gate
12:35LO 4715 to Lisbon leaves the gate
2 h 55 apart on the timetable
The last days
EC 3749 and LO 4715 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.