DL 755 then DL 2322 at Atlanta
Las Vegas → Atlanta → Omaha
Timetable, Atlanta time
12:46DL 755 from Las Vegas at the gate
11:15DL 2322 to Omaha leaves the gate
22 h 29 apart on the timetable, overnight
DL 2322 leaves 22 h 29 after DL 755 arrives on the timetable: more than half a day, so not a connection we count.