EW 9440 then QR 3685 at Barcelona
Düsseldorf → Barcelona → Palermo
Timetable, Barcelona time
09:00EW 9440 from Düsseldorf at the gate
07:20QR 3685 to Palermo leaves the gatealso IB 5808, LL 5808, VY 6126
22 h 20 apart on the timetable, overnight
QR 3685 leaves 22 h 20 after EW 9440 arrives on the timetable: more than half a day, so not a connection we count.