UA 2116 then AA 2312 at DFW
Washington → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:39UA 2116 from Washington at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 32 apart on the timetable, overnight
AA 2312 leaves 21 h 32 after UA 2116 arrives on the timetable: more than half a day, so not a connection we count.