DL 823 then UA 436 at San Francisco
Atlanta → San Francisco → Ontario
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AM 3256, LA 6318
16:35UA 436 to Ontario leaves the gatealso AC 4014
23 h 19 apart on the timetable, overnight
UA 436 leaves 23 h 19 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.