UA 2809 then AA 3816 at DFW
Chicago O'Hare → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
13:31UA 2809 from Chicago O'Hare at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
23 h 44 apart on the timetable, overnight
AA 3816 leaves 23 h 44 after UA 2809 arrives on the timetable: more than half a day, so not a connection we count.