DL 5143 then DL 598 at Atlanta
Augusta → Atlanta → Cancún
Timetable, Atlanta time
11:05DL 5143 from Augusta at the gate
11:02DL 598 to Cancún leaves the gate
23 h 57 apart on the timetable, overnight
DL 598 leaves 23 h 57 after DL 5143 arrives on the timetable: more than half a day, so not a connection we count.