DL 420 then UA 785 at San Francisco
Santa Ana → San Francisco → Washington
Timetable, San Francisco time
09:56DL 420 from Santa Ana at the gate
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
20 h 19 apart on the timetable, overnight
UA 785 leaves 20 h 19 after DL 420 arrives on the timetable: more than half a day, so not a connection we count.