AA 5175 then DL 9963 at Atlanta
Charlotte → Atlanta → Queretaro
Timetable, Atlanta time
15:17AA 5175 from Charlotte at the gate
09:30DL 9963 to Queretaro leaves the gate
18 h 13 apart on the timetable, overnight
DL 9963 leaves 18 h 13 after AA 5175 arrives on the timetable: more than half a day, so not a connection we count.