AA 9909 then F9 690 at Denver
Los Angeles → Denver → Washington National
Timetable, Denver time
16:45AA 9909 from Los Angeles at the gate
16:35F9 690 to Washington National leaves the gate
23 h 50 apart on the timetable, overnight
F9 690 leaves 23 h 50 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.