EC 7174 then QR 3683 at Barcelona
Berlin → Barcelona → Algiers
Timetable, Barcelona time
23:05EC 7174 from Berlin at the gate
20:40QR 3683 to Algiers leaves the gate
21 h 35 apart on the timetable, overnight
QR 3683 leaves 21 h 35 after EC 7174 arrives on the timetable: more than half a day, so not a connection we count.