F9 1549 then DL 9963 at Atlanta
Jacksonville → Atlanta → Queretaro
Timetable, Atlanta time
20:31F9 1549 from Jacksonville at the gate
09:30DL 9963 to Queretaro leaves the gate
12 h 59 apart on the timetable, overnight
DL 9963 leaves 12 h 59 after F9 1549 arrives on the timetable: more than half a day, so not a connection we count.