FR 17 then UA 229 at Dublin
Newcastle → Dublin → Washington
Timetable, Dublin time
14:25FR 17 from Newcastle at the gate
12:05UA 229 to Washington leaves the gate
21 h 40 apart on the timetable, overnight
UA 229 leaves 21 h 40 after FR 17 arrives on the timetable: more than half a day, so not a connection we count.