UA 2830 then AA 1355 at DFW
Houston → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
17:47UA 2830 from Houston at the gate
13:11AA 1355 to Oklahoma City leaves the gate
19 h 24 apart on the timetable, overnight
AA 1355 leaves 19 h 24 after UA 2830 arrives on the timetable: more than half a day, so not a connection we count.