DL 823 then UA 356 at San Francisco
Atlanta → San Francisco → Reno
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AM 3256, LA 6318
16:31UA 356 to Reno leaves the gatealso AC 4146, UA 5583, EK 6379, LH 8834, NZ 9595
23 h 15 apart on the timetable, overnight
UA 356 leaves 23 h 15 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.