DL 2539 then DL 9963 at Atlanta
Greensboro → Atlanta → Queretaro
Timetable, Atlanta time
18:25DL 2539 from Greensboro at the gate
09:30DL 9963 to Queretaro leaves the gate
15 h 05 apart on the timetable, overnight
DL 9963 leaves 15 h 05 after DL 2539 arrives on the timetable: more than half a day, so not a connection we count.