AA 1915 then UA 2114 at DFW
Richmond → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
19:40AA 1915 from Richmond at the gate
19:35UA 2114 to Houston leaves the gate
23 h 55 apart on the timetable, overnight
UA 2114 leaves 23 h 55 after AA 1915 arrives on the timetable: more than half a day, so not a connection we count.