DL 9941 then DL 1386 at Atlanta
Queretaro → Atlanta → Miami
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
15:17DL 1386 to Miami leaves the gate
19 h 34 apart on the timetable, overnight
DL 1386 leaves 19 h 34 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.