DL 456 then DL 2322 at Atlanta
Boston → Atlanta → Omaha
Timetable, Atlanta time
11:58DL 456 from Boston at the gate
11:00DL 2322 to Omaha leaves the gate
23 h 02 apart on the timetable, overnight
DL 2322 leaves 23 h 02 after DL 456 arrives on the timetable: more than half a day, so not a connection we count.