DL 9941 then DL 1491 at Atlanta
Queretaro → Atlanta → Austin
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
16:00DL 1491 to Austin leaves the gate
20 h 17 apart on the timetable, overnight
DL 1491 leaves 20 h 17 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.