QR 3760 then OZ 512 at Barcelona
Algiers → Barcelona → Seoul
Timetable, Barcelona time
00:10QR 3760 from Algiers at the gate
20:40OZ 512 to Seoul leaves the gatealso KE 5912
20 h 30 apart on the timetable
OZ 512 leaves 20 h 30 after QR 3760 arrives on the timetable: more than half a day, so not a connection we count.