AA 5471 then UA 571 at Atlanta
Washington National → Atlanta → San Francisco
Timetable, Atlanta time
08:30AA 5471 from Washington National at the gate
07:00UA 571 to San Francisco leaves the gate
22 h 30 apart on the timetable, overnight
UA 571 leaves 22 h 30 after AA 5471 arrives on the timetable: more than half a day, so not a connection we count.