DL 823 then UA 2127 at San Francisco
Atlanta → San Francisco → Los Angeles
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AF 2495, AM 3256, LA 6318
06:00UA 2127 to Los Angeles leaves the gatealso AV 2163, UA 3904, NZ 9260
12 h 44 apart on the timetable, overnight
UA 2127 leaves 12 h 44 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.