FR 715 then FR 9655 at Lisbon
London Stansted → Lisbon → Valletta
Timetable, Lisbon time
11:55FR 715 from London Stansted at the gate
06:50FR 9655 to Valletta leaves the gate
18 h 55 apart on the timetable, overnight
FR 9655 leaves 18 h 55 after FR 715 arrives on the timetable: more than half a day, so not a connection we count.