UA 271 then VA 8546 at San Francisco
Washington → San Francisco → Los Angeles
Timetable, San Francisco time
12:32UA 271 from Washington at the gatealso NZ 9180, MS 9321
06:00VA 8546 to Los Angeles leaves the gate
17 h 28 apart on the timetable, overnight
VA 8546 leaves 17 h 28 after UA 271 arrives on the timetable: more than half a day, so not a connection we count.