AA 3947 then AA 2312 at DFW
Houston → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
21:35AA 3947 from Houston at the gate
18:11AA 2312 to Tulsa leaves the gate
20 h 36 apart on the timetable, overnight
AA 2312 leaves 20 h 36 after AA 3947 arrives on the timetable: more than half a day, so not a connection we count.