UA 3694 then AA 3816 at DFW
Newark → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
16:07UA 3694 from Newark at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
21 h 08 apart on the timetable, overnight
AA 3816 leaves 21 h 08 after UA 3694 arrives on the timetable: more than half a day, so not a connection we count.