DL 2104 then DL 9963 at Atlanta
Austin → Atlanta → Queretaro
Timetable, Atlanta time
18:19DL 2104 from Austin at the gate
09:30DL 9963 to Queretaro leaves the gate
15 h 11 apart on the timetable, overnight
DL 9963 leaves 15 h 11 after DL 2104 arrives on the timetable: more than half a day, so not a connection we count.