AA 1915 then AA 5306 at DFW
Richmond → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
18:50AA 5306 to Gainesville leaves the gate
23 h 10 apart on the timetable, overnight
AA 5306 leaves 23 h 10 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.