KJ 248 then AA 2831 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
19:54KJ 248 from Chicago O'Hare at the gate
17:53AA 2831 to Los Angeles leaves the gate
21 h 59 apart on the timetable, overnight
AA 2831 leaves 21 h 59 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.