DL 1774 then DL 589 at Atlanta
Guatemala City → Atlanta → Mexico City
Timetable, Atlanta time
19:42DL 1774 from Guatemala City at the gate
19:12DL 589 to Mexico City leaves the gate
23 h 30 apart on the timetable, overnight
DL 589 leaves 23 h 30 after DL 1774 arrives on the timetable: more than half a day, so not a connection we count.