DL 2681 then DL 9963 at Atlanta
Madison → Atlanta → Queretaro
Timetable, Atlanta time
14:35DL 2681 from Madison at the gate
09:30DL 9963 to Queretaro leaves the gate
18 h 55 apart on the timetable, overnight
DL 9963 leaves 18 h 55 after DL 2681 arrives on the timetable: more than half a day, so not a connection we count.