FR 338 then I2 1882 at Dublin
London Luton → Dublin → Madrid
Timetable, Dublin time
18:20FR 338 from London Luton at the gate
10:00I2 1882 to Madrid leaves the gate
15 h 40 apart on the timetable, overnight
I2 1882 leaves 15 h 40 after FR 338 arrives on the timetable: more than half a day, so not a connection we count.