DL 706 then DL 2364 at Atlanta
Denver → Atlanta → Omaha
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
15:26DL 2364 to Omaha leaves the gate
21 h 25 apart on the timetable, overnight
DL 2364 leaves 21 h 25 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.