WN 3243 then AA 552 at Atlanta
Austin → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
18:00WN 3243 from Austin at the gate
17:29AA 552 to Dallas-Fort Worth leaves the gate
23 h 29 apart on the timetable, overnight
AA 552 leaves 23 h 29 after WN 3243 arrives on the timetable: more than half a day, so not a connection we count.