AA 1814 then AA 4541 at O'Hare
New York LaGuardia → Chicago → Indianapolis
Timetable, Chicago time
11:55AA 1814 from New York LaGuardia at the gate
12:38AA 4541 to Indianapolis leaves the gate
43 min apart on the timetable
The last days
AA 1814 and AA 4541 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.