DL 519 then WN 1773 at Denver
Atlanta → Denver → San Francisco
Timetable, Denver time
18:31DL 519 from Atlanta at the gate
18:25WN 1773 to San Francisco leaves the gate
23 h 54 apart on the timetable, overnight
WN 1773 leaves 23 h 54 after DL 519 arrives on the timetable: more than half a day, so not a connection we count.