UA 2074 then AA 1915 at DFW
Houston → Dallas-Fort Worth → Richmond
Timetable, Dallas-Fort Worth time
11:11UA 2074 from Houston at the gate
10:34AA 1915 to Richmond leaves the gate
23 h 23 apart on the timetable, overnight
AA 1915 leaves 23 h 23 after UA 2074 arrives on the timetable: more than half a day, so not a connection we count.