DL 763 then UA 2019 at LAX
Atlanta → Los Angeles → San Francisco
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
15:05UA 2019 to San Francisco leaves the gate
19 h 10 apart on the timetable, overnight
UA 2019 leaves 19 h 10 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.