UA 2842 then AA 3816 at DFW
San Francisco → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
15:49UA 2842 from San Francisco at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
21 h 26 apart on the timetable, overnight
AA 3816 leaves 21 h 26 after UA 2842 arrives on the timetable: more than half a day, so not a connection we count.