DL 431 then DL 2322 at Atlanta
Denver → Atlanta → Omaha
Timetable, Atlanta time
11:58DL 431 from Denver at the gate
11:15DL 2322 to Omaha leaves the gate
23 h 17 apart on the timetable, overnight
DL 2322 leaves 23 h 17 after DL 431 arrives on the timetable: more than half a day, so not a connection we count.