IB 5145 then FR 9811 at Barcelona
Seville → Barcelona → London Stansted
Timetable, Barcelona time
10:40IB 5145 from Seville at the gate
07:55FR 9811 to London Stansted leaves the gate
21 h 15 apart on the timetable, overnight
FR 9811 leaves 21 h 15 after IB 5145 arrives on the timetable: more than half a day, so not a connection we count.