SN 3703 then FR 3166 at Barcelona
Brussels → Barcelona → Palermo
Timetable, Barcelona time
16:50SN 3703 from Brussels at the gate
08:30FR 3166 to Palermo leaves the gate
15 h 40 apart on the timetable, overnight
FR 3166 leaves 15 h 40 after SN 3703 arrives on the timetable: more than half a day, so not a connection we count.