DL 823 then AV 2354 at San Francisco
Atlanta → San Francisco → Denver
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AF 2495, AM 3256, LA 6318
16:24AV 2354 to Denver leaves the gate
23 h 08 apart on the timetable, overnight
AV 2354 leaves 23 h 08 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.