EC 7142 then QR 3661 at Barcelona
Strasbourg → Barcelona → Palermo
Timetable, Barcelona time
12:30EC 7142 from Strasbourg at the gate
09:50QR 3661 to Palermo leaves the gate
21 h 20 apart on the timetable, overnight
QR 3661 leaves 21 h 20 after EC 7142 arrives on the timetable: more than half a day, so not a connection we count.