WN 481 then DL 2322 at Atlanta
Nashville → Atlanta → Omaha
Timetable, Atlanta time
12:25WN 481 from Nashville at the gate
11:15DL 2322 to Omaha leaves the gate
22 h 50 apart on the timetable, overnight
DL 2322 leaves 22 h 50 after WN 481 arrives on the timetable: more than half a day, so not a connection we count.