UA 228 then FR 814 at Dublin
Washington → Dublin → Edinburgh
Timetable, Dublin time
10:20UA 228 from Washington at the gate
05:55FR 814 to Edinburgh leaves the gate
19 h 35 apart on the timetable, overnight
FR 814 leaves 19 h 35 after UA 228 arrives on the timetable: more than half a day, so not a connection we count.