AA 3647 then AA 3351 at DFW
Abilene → Dallas-Fort Worth → Houston Hobby
Timetable, Dallas-Fort Worth time
06:14AA 3647 from Abilene at the gate
18:23AA 3351 to Houston Hobby leaves the gate
12 h 09 apart on the timetable
AA 3351 leaves 12 h 09 after AA 3647 arrives on the timetable: more than half a day, so not a connection we count.