DL 893 then DL 9936 at Atlanta
Dallas-Fort Worth → Atlanta → Queretaro
Timetable, Atlanta time
10:20DL 893 from Dallas-Fort Worth at the gate
08:00DL 9936 to Queretaro leaves the gate
21 h 40 apart on the timetable, overnight
DL 9936 leaves 21 h 40 after DL 893 arrives on the timetable: more than half a day, so not a connection we count.