DL 1680 then AM 979 at Atlanta
Cincinnati → Atlanta → Monterrey
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
12:30AM 979 to Monterrey leaves the gate
14 h 47 apart on the timetable, overnight
AM 979 leaves 14 h 47 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.