F9 2633 then DL 577 at Atlanta
Baltimore → Atlanta → Mexico City
Timetable, Atlanta time
09:14F9 2633 from Baltimore at the gate
08:30DL 577 to Mexico City leaves the gate
23 h 16 apart on the timetable, overnight
DL 577 leaves 23 h 16 after F9 2633 arrives on the timetable: more than half a day, so not a connection we count.