AA 4036 then AA 6238 at DFW
Houston Hobby → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
11:15AA 4036 from Houston Hobby at the gate
08:25AA 6238 to Amarillo leaves the gate
21 h 10 apart on the timetable, overnight
AA 6238 leaves 21 h 10 after AA 4036 arrives on the timetable: more than half a day, so not a connection we count.