UA 61 then UA 785 at San Francisco
Melbourne → San Francisco → Washington
Timetable, San Francisco time
08:10UA 61 from Melbourne at the gatealso LX 3087, VA 8003, LH 8921
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
22 h 05 apart on the timetable, overnight
UA 785 leaves 22 h 05 after UA 61 arrives on the timetable: more than half a day, so not a connection we count.