ET 3608 then AA 4523 at O'Hare
Anchorage → Chicago → Indianapolis
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
20:45AA 4523 to Indianapolis leaves the gate
13 h 29 apart on the timetable
AA 4523 leaves 13 h 29 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.