UA 2466 then AA 1355 at DFW
Chicago O'Hare → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
18:33UA 2466 from Chicago O'Hare at the gate
13:11AA 1355 to Oklahoma City leaves the gate
18 h 38 apart on the timetable, overnight
AA 1355 leaves 18 h 38 after UA 2466 arrives on the timetable: more than half a day, so not a connection we count.