F9 1441 then AA 2418 at O'Hare
Atlanta → Chicago → Indianapolis
Timetable, Chicago time
12:51F9 1441 from Atlanta at the gate
09:39AA 2418 to Indianapolis leaves the gate
20 h 48 apart on the timetable, overnight
AA 2418 leaves 20 h 48 after F9 1441 arrives on the timetable: more than half a day, so not a connection we count.