BA 482 then QR 3661 at Barcelona
London Heathrow → Barcelona → Palermo
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gatealso IB 3664, AA 6820, QR 8362, VY 9560
09:50QR 3661 to Palermo leaves the gate
19 h 10 apart on the timetable, overnight
QR 3661 leaves 19 h 10 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.