SN 3697 then FR 2402 at Barcelona
Brussels → Barcelona → Seville
Timetable, Barcelona time
11:25SN 3697 from Brussels at the gate
06:10FR 2402 to Seville leaves the gate
18 h 45 apart on the timetable, overnight
FR 2402 leaves 18 h 45 after SN 3697 arrives on the timetable: more than half a day, so not a connection we count.