DL 2330 then DL 589 at Atlanta
Boston → Atlanta → Mexico City
Timetable, Atlanta time
19:16DL 2330 from Boston at the gate
19:12DL 589 to Mexico City leaves the gate
23 h 56 apart on the timetable, overnight
DL 589 leaves 23 h 56 after DL 2330 arrives on the timetable: more than half a day, so not a connection we count.