AA 1978 then AA 1915 at DFW
Washington National → Dallas-Fort Worth → Richmond
Timetable, Dallas-Fort Worth time
11:13AA 1978 from Washington National at the gate
10:34AA 1915 to Richmond leaves the gate
23 h 21 apart on the timetable, overnight
AA 1915 leaves 23 h 21 after AA 1978 arrives on the timetable: more than half a day, so not a connection we count.