DL 3091 then AM 979 at Atlanta
Charleston (South Carolina) → Atlanta → Monterrey
Timetable, Atlanta time
12:36DL 3091 from Charleston (South Carolina) at the gate
12:30AM 979 to Monterrey leaves the gate
23 h 54 apart on the timetable, overnight
AM 979 leaves 23 h 54 after DL 3091 arrives on the timetable: more than half a day, so not a connection we count.