DL 2990 then DL 9963 at Atlanta
Jacksonville → Atlanta → Queretaro
Timetable, Atlanta time
17:25DL 2990 from Jacksonville at the gate
09:30DL 9963 to Queretaro leaves the gate
16 h 05 apart on the timetable, overnight
DL 9963 leaves 16 h 05 after DL 2990 arrives on the timetable: more than half a day, so not a connection we count.