F9 1116 then AA 3962 at Atlanta
Las Vegas → Atlanta → Washington National
Timetable, Atlanta time
17:31F9 1116 from Las Vegas at the gate
14:24AA 3962 to Washington National leaves the gate
20 h 53 apart on the timetable, overnight
AA 3962 leaves 20 h 53 after F9 1116 arrives on the timetable: more than half a day, so not a connection we count.