AA 1968 then AA 4536 at O'Hare
Tucson → Chicago → Indianapolis
Timetable, Chicago time
20:20AA 1968 from Tucson at the gate
22:30AA 4536 to Indianapolis leaves the gate
2 h 10 apart on the timetable
Today
From the airport’s board at 05:27 Chicago time
20:20AA 1968 due at the gate, no estimate yet
22:30AA 4536 due to leave, no estimate yet
2 h 10 between the gates, on these times
The last days
AA 1968 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.