FR 7807 then FR 1165 at Barcelona
London Luton → Barcelona → Seville
Timetable, Barcelona time
17:45FR 7807 from London Luton at the gate
10:50FR 1165 to Seville leaves the gate
17 h 05 apart on the timetable, overnight
FR 1165 leaves 17 h 05 after FR 7807 arrives on the timetable: more than half a day, so not a connection we count.