FR 1526 then FR 9015 at Barcelona
Valletta → Barcelona → London Stansted
Timetable, Barcelona time
09:20FR 1526 from Valletta at the gate
07:55FR 9015 to London Stansted leaves the gate
22 h 35 apart on the timetable, overnight
FR 9015 leaves 22 h 35 after FR 1526 arrives on the timetable: more than half a day, so not a connection we count.