FR 3801 then IB 5152 at Barcelona
Birmingham (UK) → Barcelona → Seville
Timetable, Barcelona time
15:35FR 3801 from Birmingham (UK) at the gate
14:35IB 5152 to Seville leaves the gate
23 h apart on the timetable, overnight
IB 5152 leaves 23 h after FR 3801 arrives on the timetable: more than half a day, so not a connection we count.