DL 9941 then DL 436 at Atlanta
Queretaro → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
17:26DL 436 to Dallas-Fort Worth leaves the gate
21 h 43 apart on the timetable, overnight
DL 436 leaves 21 h 43 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.