AA 4454 then AM 689 at O'Hare
Indianapolis → Chicago → Mexico City
Timetable, Chicago time
06:00AA 4454 from Indianapolis at the gate
01:30AM 689 to Mexico City leaves the gate
19 h 30 apart on the timetable, overnight
AM 689 leaves 19 h 30 after AA 4454 arrives on the timetable: more than half a day, so not a connection we count.