AA 2124 then KJ 248 at O'Hare
Indianapolis → Chicago → Atlanta
Timetable, Chicago time
06:01AA 2124 from Indianapolis at the gate
05:10KJ 248 to Atlanta leaves the gate
23 h 09 apart on the timetable, overnight
KJ 248 leaves 23 h 09 after AA 2124 arrives on the timetable: more than half a day, so not a connection we count.