DL 2299 then DL 5442 at Atlanta
Louisville → Atlanta → Allentown
Timetable, Atlanta time
10:27DL 2299 from Louisville at the gate
09:58DL 5442 to Allentown leaves the gate
23 h 31 apart on the timetable, overnight
DL 5442 leaves 23 h 31 after DL 2299 arrives on the timetable: more than half a day, so not a connection we count.