AA 6430 then IB 4503 at San Francisco
Phoenix → San Francisco → Miami
Timetable, San Francisco time
10:01AA 6430 from Phoenix at the gatealso QR 7617
12:04IB 4503 to Miami leaves the gatealso GF 6454
2 h 03 apart on the timetable
The last days
AA 6430 and IB 4503 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.