DL 576 then DL 1329 at Atlanta
Mexico City → Atlanta → Philadelphia
Timetable, Atlanta time
16:45DL 576 from Mexico City at the gate
16:34DL 1329 to Philadelphia leaves the gate
23 h 49 apart on the timetable, overnight
DL 1329 leaves 23 h 49 after DL 576 arrives on the timetable: more than half a day, so not a connection we count.