AA 1915 then AA 3592 at DFW
Richmond → Dallas-Fort Worth → Bismarck
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
18:59AA 3592 to Bismarck leaves the gate
23 h 19 apart on the timetable, overnight
AA 3592 leaves 23 h 19 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.