CA 985 then UA 785 at San Francisco
Beijing → San Francisco → Washington
Timetable, San Francisco time
09:30CA 985 from Beijing at the gate
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
20 h 45 apart on the timetable, overnight
UA 785 leaves 20 h 45 after CA 985 arrives on the timetable: more than half a day, so not a connection we count.