QR 3636 then EC 7151 at Barcelona
Algiers → Barcelona → Milan
Timetable, Barcelona time
19:40QR 3636 from Algiers at the gate
13:05EC 7151 to Milan leaves the gate
17 h 25 apart on the timetable, overnight
EC 7151 leaves 17 h 25 after QR 3636 arrives on the timetable: more than half a day, so not a connection we count.