DL 5377 then DL 4970 at Atlanta
Dothan → Atlanta → Allentown
Timetable, Atlanta time
20:26DL 5377 from Dothan at the gate
20:10DL 4970 to Allentown leaves the gate
23 h 44 apart on the timetable, overnight
DL 4970 leaves 23 h 44 after DL 5377 arrives on the timetable: more than half a day, so not a connection we count.