FR 651 then UA 229 at Dublin
Lisbon → Dublin → Washington
Timetable, Dublin time
12:55FR 651 from Lisbon at the gate
12:05UA 229 to Washington leaves the gate
23 h 10 apart on the timetable, overnight
UA 229 leaves 23 h 10 after FR 651 arrives on the timetable: more than half a day, so not a connection we count.