DL 1774 then DL 2398 at Atlanta
Guatemala City → Atlanta → New York JFK
Timetable, Atlanta time
19:48DL 1774 from Guatemala City at the gate
15:16DL 2398 to New York JFK leaves the gate
19 h 28 apart on the timetable, overnight
DL 2398 leaves 19 h 28 after DL 1774 arrives on the timetable: more than half a day, so not a connection we count.