DL 9941 then DL 530 at Atlanta
Queretaro → Atlanta → Denver
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
13:45DL 530 to Denver leaves the gate
18 h 02 apart on the timetable, overnight
DL 530 leaves 18 h 02 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.