FR 5383 then FR 498 at Madrid
Valletta → Madrid → London Stansted
Timetable, Madrid time
12:20FR 5383 from Valletta at the gate
07:40FR 498 to London Stansted leaves the gate
19 h 20 apart on the timetable, overnight
FR 498 leaves 19 h 20 after FR 5383 arrives on the timetable: more than half a day, so not a connection we count.