F9 4307 then AA 4536 at O'Hare
Baltimore → Chicago → Indianapolis
Timetable, Chicago time
11:23F9 4307 from Baltimore at the gate
22:30AA 4536 to Indianapolis leaves the gate
11 h 07 apart on the timetable
The last days
F9 4307 and AA 4536 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.