QF 3775 then UA 2386 at San Francisco
Los Angeles → San Francisco → Washington National
Timetable, San Francisco time
14:40QF 3775 from Los Angeles at the gate
14:18UA 2386 to Washington National leaves the gatealso NZ 2777
23 h 38 apart on the timetable, overnight
UA 2386 leaves 23 h 38 after QF 3775 arrives on the timetable: more than half a day, so not a connection we count.