DL 5374 then DL 589 at Atlanta
Columbus (Georgia) → Atlanta → Mexico City
Timetable, Atlanta time
19:30DL 5374 from Columbus (Georgia) at the gate
19:12DL 589 to Mexico City leaves the gate
23 h 42 apart on the timetable, overnight
DL 589 leaves 23 h 42 after DL 5374 arrives on the timetable: more than half a day, so not a connection we count.