DL 1472 then DL 9963 at Atlanta
Key West → Atlanta → Queretaro
Timetable, Atlanta time
16:12DL 1472 from Key West at the gate
09:30DL 9963 to Queretaro leaves the gate
17 h 18 apart on the timetable, overnight
DL 9963 leaves 17 h 18 after DL 1472 arrives on the timetable: more than half a day, so not a connection we count.