AA 1848 then AA 2312 at DFW
Houston → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:19AA 1848 from Houston at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 52 apart on the timetable, overnight
AA 2312 leaves 21 h 52 after AA 1848 arrives on the timetable: more than half a day, so not a connection we count.