AA 597 then AA 2347 at San Francisco
Chicago O'Hare → San Francisco → Miami
Timetable, San Francisco time
16:19AA 597 from Chicago O'Hare at the gatealso QF 4712
22:59AA 2347 to Miami leaves the gatealso QF 3130
6 h 40 apart on the timetable
The last days
AA 597 and AA 2347 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.