UA 441 then AA 3816 at DFW
Chicago O'Hare → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
14:38UA 441 from Chicago O'Hare at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
22 h 37 apart on the timetable, overnight
AA 3816 leaves 22 h 37 after UA 441 arrives on the timetable: more than half a day, so not a connection we count.