B6 115 then UA 785 at San Francisco
New York JFK → San Francisco → Washington
Timetable, San Francisco time
09:30B6 115 from New York JFK at the gatealso LO 5771, KQ 7280
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 B6 115 arrives on the timetable: more than half a day, so not a connection we count.