AA 4783 then CV 6443 at O'Hare
Baltimore → Chicago → Indianapolis
Timetable, Chicago time
12:59AA 4783 from Baltimore at the gate
17:50CV 6443 to Indianapolis leaves the gate
4 h 51 apart on the timetable
The last days
AA 4783 and CV 6443 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.