DL 9941 then DL 3157 at Atlanta
Queretaro → Atlanta → New Orleans
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
13:50DL 3157 to New Orleans leaves the gate
18 h 07 apart on the timetable, overnight
DL 3157 leaves 18 h 07 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.