DL 1402 then DL 9936 at Atlanta
Richmond → Atlanta → Queretaro
Timetable, Atlanta time
08:57DL 1402 from Richmond at the gate
08:00DL 9936 to Queretaro leaves the gate
23 h 03 apart on the timetable, overnight
DL 9936 leaves 23 h 03 after DL 1402 arrives on the timetable: more than half a day, so not a connection we count.