DL 1397 then DL 9963 at Atlanta
Austin → Atlanta → Queretaro
Timetable, Atlanta time
20:10DL 1397 from Austin at the gate
09:30DL 9963 to Queretaro leaves the gate
13 h 20 apart on the timetable, overnight
DL 9963 leaves 13 h 20 after DL 1397 arrives on the timetable: more than half a day, so not a connection we count.