QR 3760 then OS 406 at Barcelona
Algiers → Barcelona → Vienna
Timetable, Barcelona time
00:10QR 3760 from Algiers at the gate
20:30OS 406 to Vienna leaves the gate
20 h 20 apart on the timetable
OS 406 leaves 20 h 20 after QR 3760 arrives on the timetable: more than half a day, so not a connection we count.