GG 9720 then AA 4480 at O'Hare
Indianapolis → Chicago → Louisville
Timetable, Chicago time
19:22GG 9720 from Indianapolis at the gate
18:59AA 4480 to Louisville leaves the gate
23 h 37 apart on the timetable, overnight
AA 4480 leaves 23 h 37 after GG 9720 arrives on the timetable: more than half a day, so not a connection we count.