AS 604 then AA 3148 at Phoenix
Seattle → Phoenix → Miami
Timetable, Phoenix time
12:41AS 604 from Seattle at the gate
16:39AA 3148 to Miami leaves the gate
3 h 58 apart on the timetable
The last days
AS 604 and AA 3148 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.