AA 1397 then AA 2403 at DFW
Houston → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
15:31AA 1397 from Houston at the gate
15:06AA 2403 to Atlanta leaves the gate
23 h 35 apart on the timetable, overnight
AA 2403 leaves 23 h 35 after AA 1397 arrives on the timetable: more than half a day, so not a connection we count.