AA 1915 then AA 3450 at DFW
Richmond → Dallas-Fort Worth → Fargo
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
18:57AA 3450 to Fargo leaves the gate
23 h 17 apart on the timetable, overnight
AA 3450 leaves 23 h 17 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.