FR 421 then EI 51 at Dublin
Amsterdam → Dublin → Las Vegas
Timetable, Dublin time
20:00FR 421 from Amsterdam at the gate
15:15EI 51 to Las Vegas leaves the gate
19 h 15 apart on the timetable, overnight
EI 51 leaves 19 h 15 after FR 421 arrives on the timetable: more than half a day, so not a connection we count.