AA 2928 then AA 4541 at O'Hare
Houston → Chicago → Indianapolis
Timetable, Chicago time
11:58AA 2928 from Houston at the gate
12:38AA 4541 to Indianapolis leaves the gate
40 min apart on the timetable
The last days
AA 2928 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.