DL 5161 then DL 4970 at Atlanta
Montgomery → Atlanta → Allentown
Timetable, Atlanta time
20:35DL 5161 from Montgomery at the gate
20:10DL 4970 to Allentown leaves the gate
23 h 35 apart on the timetable, overnight
DL 4970 leaves 23 h 35 after DL 5161 arrives on the timetable: more than half a day, so not a connection we count.