DL 3004 then DL 577 at Atlanta
Greensboro → Atlanta → Mexico City
Timetable, Atlanta time
08:33DL 3004 from Greensboro at the gate
08:25DL 577 to Mexico City leaves the gate
23 h 52 apart on the timetable, overnight
DL 577 leaves 23 h 52 after DL 3004 arrives on the timetable: more than half a day, so not a connection we count.