DL 1007 then AA 3275 at Atlanta
Washington National → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
14:58AA 3275 to Dallas-Fort Worth leaves the gate
17 h 17 apart on the timetable, overnight
AA 3275 leaves 17 h 17 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.