DL 2299 then DL 1929 at Atlanta
Louisville → Atlanta → Monterrey
Timetable, Atlanta time
10:27DL 2299 from Louisville at the gate
10:10DL 1929 to Monterrey leaves the gate
23 h 43 apart on the timetable, overnight
DL 1929 leaves 23 h 43 after DL 2299 arrives on the timetable: more than half a day, so not a connection we count.