DL 905 then DL 519 at Atlanta
Salt Lake City → Atlanta → Denver
Timetable, Atlanta time
23:35DL 905 from Salt Lake City at the gate
16:35DL 519 to Denver leaves the gate
17 h apart on the timetable, overnight
DL 519 leaves 17 h after DL 905 arrives on the timetable: more than half a day, so not a connection we count.