KE 3470 then UA 785 at San Francisco
Detroit → San Francisco → Washington
Timetable, San Francisco time
10:29KE 3470 from Detroit at the gatealso MU 8662
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
19 h 46 apart on the timetable, overnight
UA 785 leaves 19 h 46 after KE 3470 arrives on the timetable: more than half a day, so not a connection we count.