AA 1915 then AA 3644 at DFW
Richmond → Dallas-Fort Worth → Wilmington
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
19:06AA 3644 to Wilmington leaves the gate
23 h 26 apart on the timetable, overnight
AA 3644 leaves 23 h 26 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.