DL 1680 then DL 5442 at Atlanta
Cincinnati → Atlanta → Allentown
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
09:58DL 5442 to Allentown leaves the gate
12 h 15 apart on the timetable, overnight
DL 5442 leaves 12 h 15 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.