FR 3793 then LA 5784 at Barcelona
Birmingham (UK) → Barcelona → Seville
Timetable, Barcelona time
20:05FR 3793 from Birmingham (UK) at the gate
14:35LA 5784 to Seville leaves the gate
18 h 30 apart on the timetable, overnight
LA 5784 leaves 18 h 30 after FR 3793 arrives on the timetable: more than half a day, so not a connection we count.