UA 1689 then AS 9915 at LAX
Washington → Los Angeles → Dallas-Fort Worth
Timetable, Los Angeles time
15:32UA 1689 from Washington at the gate
07:34AS 9915 to Dallas-Fort Worth leaves the gate
16 h 02 apart on the timetable, overnight
AS 9915 leaves 16 h 02 after UA 1689 arrives on the timetable: more than half a day, so not a connection we count.