DL 2709 then DL 9963 at Atlanta
Houston → Atlanta → Queretaro
Timetable, Atlanta time
11:04DL 2709 from Houston at the gate
09:30DL 9963 to Queretaro leaves the gate
22 h 26 apart on the timetable, overnight
DL 9963 leaves 22 h 26 after DL 2709 arrives on the timetable: more than half a day, so not a connection we count.