AA 610 then AA 2312 at DFW
Washington National → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
21:46AA 610 from Washington National at the gate
18:11AA 2312 to Tulsa leaves the gate
20 h 25 apart on the timetable, overnight
AA 2312 leaves 20 h 25 after AA 610 arrives on the timetable: more than half a day, so not a connection we count.