DL 2718 then DL 9963 at Atlanta
Gulfport → Atlanta → Queretaro
Timetable, Atlanta time
16:14DL 2718 from Gulfport at the gate
09:30DL 9963 to Queretaro leaves the gate
17 h 16 apart on the timetable, overnight
DL 9963 leaves 17 h 16 after DL 2718 arrives on the timetable: more than half a day, so not a connection we count.