YP 111 then UA 785 at San Francisco
Seoul → San Francisco → Washington
Timetable, San Francisco time
13:20YP 111 from Seoul at the gate
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
16 h 55 apart on the timetable, overnight
UA 785 leaves 16 h 55 after YP 111 arrives on the timetable: more than half a day, so not a connection we count.