DL 2511 then DL 9963 at Atlanta
Rochester → Atlanta → Queretaro
Timetable, Atlanta time
14:25DL 2511 from Rochester at the gate
09:30DL 9963 to Queretaro leaves the gate
19 h 05 apart on the timetable, overnight
DL 9963 leaves 19 h 05 after DL 2511 arrives on the timetable: more than half a day, so not a connection we count.