AA 1968 then AA 4363 at O'Hare
Tucson → Chicago → Cleveland
Timetable, Chicago time
20:20AA 1968 from Tucson at the gate
21:29AA 4363 to Cleveland leaves the gate
1 h 09 apart on the timetable
The last days
AA 1968 and AA 4363 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.