UA 2116 then AA 2734 at DFW
Washington → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
20:39UA 2116 from Washington at the gate
18:10AA 2734 to Oklahoma City leaves the gate
21 h 31 apart on the timetable, overnight
AA 2734 leaves 21 h 31 after UA 2116 arrives on the timetable: more than half a day, so not a connection we count.