AF 2478 then UA 2127 at San Francisco
Atlanta → San Francisco → Los Angeles
Timetable, San Francisco time
17:25AF 2478 from Atlanta at the gatealso VS 5291
06:00UA 2127 to Los Angeles leaves the gatealso AV 2163, UA 3904, NZ 9260
12 h 35 apart on the timetable, overnight
UA 2127 leaves 12 h 35 after AF 2478 arrives on the timetable: more than half a day, so not a connection we count.