FR 3029 then FR 9045 at Barcelona
Ibiza → Barcelona → London Stansted
Timetable, Barcelona time
00:50FR 3029 from Ibiza at the gate
19:45FR 9045 to London Stansted leaves the gate
18 h 55 apart on the timetable
FR 9045 leaves 18 h 55 after FR 3029 arrives on the timetable: more than half a day, so not a connection we count.