AA 5594 then AA 2312 at DFW
Lexington → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:00AA 5594 from Lexington at the gate
18:11AA 2312 to Tulsa leaves the gate
22 h 11 apart on the timetable, overnight
AA 2312 leaves 22 h 11 after AA 5594 arrives on the timetable: more than half a day, so not a connection we count.