DL 1462 then AA 820 at Atlanta
Richmond → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
12:56DL 1462 from Richmond at the gate
11:16AA 820 to Dallas-Fort Worth leaves the gate
22 h 20 apart on the timetable, overnight
AA 820 leaves 22 h 20 after DL 1462 arrives on the timetable: more than half a day, so not a connection we count.