AA 1538 then AA 3763 at DFW
Madison → Dallas-Fort Worth → Houston Hobby
Timetable, Dallas-Fort Worth time
09:42AA 1538 from Madison at the gate
22:02AA 3763 to Houston Hobby leaves the gate
12 h 20 apart on the timetable
AA 3763 leaves 12 h 20 after AA 1538 arrives on the timetable: more than half a day, so not a connection we count.