DL 9941 then DL 5379 at Atlanta
Queretaro → Atlanta → Montgomery
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
14:07DL 5379 to Montgomery leaves the gate
18 h 24 apart on the timetable, overnight
DL 5379 leaves 18 h 24 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.