AA 5530 then AA 1355 at DFW
Houston → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
17:45AA 5530 from Houston at the gate
13:11AA 1355 to Oklahoma City leaves the gate
19 h 26 apart on the timetable, overnight
AA 1355 leaves 19 h 26 after AA 5530 arrives on the timetable: more than half a day, so not a connection we count.