FR 289 then FR 7078 at Dublin
London Stansted → Dublin → Porto
Timetable, Dublin time
17:25FR 289 from London Stansted at the gate
11:25FR 7078 to Porto leaves the gate
18 h apart on the timetable, overnight
FR 7078 leaves 18 h after FR 289 arrives on the timetable: more than half a day, so not a connection we count.