DL 1031 then DL 2431 at Detroit
Atlanta → Detroit → Denver
Timetable, Detroit time
16:03DL 1031 from Atlanta at the gate
16:00DL 2431 to Denver leaves the gate
23 h 57 apart on the timetable, overnight
DL 2431 leaves 23 h 57 after DL 1031 arrives on the timetable: more than half a day, so not a connection we count.