SN 3703 then FI 6405 at Barcelona
Brussels → Barcelona → Lisbon
Timetable, Barcelona time
16:50SN 3703 from Brussels at the gate
14:35FI 6405 to Lisbon leaves the gatealso S4 8947
21 h 45 apart on the timetable, overnight
FI 6405 leaves 21 h 45 after SN 3703 arrives on the timetable: more than half a day, so not a connection we count.