DL 706 then AA 3104 at Atlanta
Denver → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
17:48DL 706 from Denver at the gate
14:58AA 3104 to Dallas-Fort Worth leaves the gate
21 h 10 apart on the timetable, overnight
AA 3104 leaves 21 h 10 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.