QR 3768 then IB 5150 at Barcelona
Strasbourg → Barcelona → Seville
Timetable, Barcelona time
18:35QR 3768 from Strasbourg at the gatealso IB 5945, LL 5945, VY 8145
15:45IB 5150 to Seville leaves the gate
21 h 10 apart on the timetable, overnight
IB 5150 leaves 21 h 10 after QR 3768 arrives on the timetable: more than half a day, so not a connection we count.