QR 3543 then EC 7153 at Barcelona
Bilbao → Barcelona → Milan
Timetable, Barcelona time
16:05QR 3543 from Bilbao at the gate
19:15EC 7153 to Milan leaves the gate
3 h 10 apart on the timetable
The last days
QR 3543 and EC 7153 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.