DL 9941 then DL 3146 at Atlanta
Queretaro → Atlanta → New Orleans
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
15:30DL 3146 to New Orleans leaves the gate
19 h 47 apart on the timetable, overnight
DL 3146 leaves 19 h 47 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.