EC 8065 then QR 3678 at Barcelona
London Gatwick → Barcelona → Palermo
Timetable, Barcelona time
17:55EC 8065 from London Gatwick at the gate
15:40QR 3678 to Palermo leaves the gate
21 h 45 apart on the timetable, overnight
QR 3678 leaves 21 h 45 after EC 8065 arrives on the timetable: more than half a day, so not a connection we count.