EC 7142 then QR 3771 at Barcelona
Strasbourg → Barcelona → Basel
Timetable, Barcelona time
12:30EC 7142 from Strasbourg at the gate
08:45QR 3771 to Basel leaves the gate
20 h 15 apart on the timetable, overnight
QR 3771 leaves 20 h 15 after EC 7142 arrives on the timetable: more than half a day, so not a connection we count.