DL 9941 then DL 1397 at Atlanta
Queretaro → Atlanta → Austin
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
14:11DL 1397 to Austin leaves the gate
18 h 28 apart on the timetable, overnight
DL 1397 leaves 18 h 28 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.