DL 1640 then DL 9963 at Atlanta
Pensacola → Atlanta → Queretaro
Timetable, Atlanta time
15:40DL 1640 from Pensacola at the gate
09:30DL 9963 to Queretaro leaves the gate
17 h 50 apart on the timetable, overnight
DL 9963 leaves 17 h 50 after DL 1640 arrives on the timetable: more than half a day, so not a connection we count.