DL 519 then DL 1220 at Denver
Atlanta → Denver → Minneapolis
Timetable, Denver time
18:31DL 519 from Atlanta at the gate
18:15DL 1220 to Minneapolis leaves the gate
23 h 44 apart on the timetable, overnight
DL 1220 leaves 23 h 44 after DL 519 arrives on the timetable: more than half a day, so not a connection we count.