QR 3530 then FR 3166 at Barcelona
Bilbao → Barcelona → Palermo
Timetable, Barcelona time
12:45QR 3530 from Bilbao at the gate
09:10FR 3166 to Palermo leaves the gate
20 h 25 apart on the timetable, overnight
FR 3166 leaves 20 h 25 after QR 3530 arrives on the timetable: more than half a day, so not a connection we count.