KJ 248 then AA 4295 at Atlanta
Chicago O'Hare → Atlanta → Washington National
Timetable, Atlanta time
14:25KJ 248 from Chicago O'Hare at the gate
10:43AA 4295 to Washington National leaves the gate
20 h 18 apart on the timetable, overnight
AA 4295 leaves 20 h 18 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.