BA 2951 then UA 785 at San Francisco
Portland (Oregon) → San Francisco → Washington
Timetable, San Francisco time
13:46BA 2951 from Portland (Oregon) at the gatealso AA 7511
06:15UA 785 to Washington leaves the gatealso AZ 4408, NZ 9160
16 h 29 apart on the timetable, overnight
UA 785 leaves 16 h 29 after BA 2951 arrives on the timetable: more than half a day, so not a connection we count.