QR 3715 then FR 3166 at Barcelona
Rome → Barcelona → Palermo
Timetable, Barcelona time
13:35QR 3715 from Rome at the gatealso IB 5333, LL 5333, LA 5813, VY 6003
11:30FR 3166 to Palermo leaves the gate
21 h 55 apart on the timetable, overnight
FR 3166 leaves 21 h 55 after QR 3715 arrives on the timetable: more than half a day, so not a connection we count.