FR 331 then FR 652 at Dublin
London Luton → Dublin → Lisbon
Timetable, Dublin time
15:40FR 331 from London Luton at the gate
09:10FR 652 to Lisbon leaves the gate
17 h 30 apart on the timetable, overnight
FR 652 leaves 17 h 30 after FR 331 arrives on the timetable: more than half a day, so not a connection we count.