AT 960 then QR 3678 at Barcelona
Casablanca → Barcelona → Palermo
Timetable, Barcelona time
18:10AT 960 from Casablanca at the gate
15:40QR 3678 to Palermo leaves the gate
21 h 30 apart on the timetable, overnight
QR 3678 leaves 21 h 30 after AT 960 arrives on the timetable: more than half a day, so not a connection we count.