UA 762 then UA 785 at San Francisco
Chicago O'Hare → San Francisco → Washington
Timetable, San Francisco time
14:42UA 762 from Chicago O'Hare at the gatealso AC 4161, NZ 9337
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
15 h 33 apart on the timetable, overnight
UA 785 leaves 15 h 33 after UA 762 arrives on the timetable: more than half a day, so not a connection we count.