DL 9951 then AA 1008 at Atlanta
Queretaro → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
20:38DL 9951 from Queretaro at the gate
16:11AA 1008 to Dallas-Fort Worth leaves the gate
19 h 33 apart on the timetable, overnight
AA 1008 leaves 19 h 33 after DL 9951 arrives on the timetable: more than half a day, so not a connection we count.