DL 823 then UA 751 at San Francisco
Atlanta → San Francisco → Las Vegas
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AM 3256, LA 6318
16:50UA 751 to Las Vegas leaves the gatealso AC 4104, EK 6366, VA 8191, NZ 9226
23 h 34 apart on the timetable, overnight
UA 751 leaves 23 h 34 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.