AS 1776 then AA 3079 at Philadelphia
Portland (Oregon) → Philadelphia → San Francisco
Timetable, Philadelphia time
15:14AS 1776 from Portland (Oregon) at the gate
16:05AA 3079 to San Francisco leaves the gate
51 min apart on the timetable
The last days
AS 1776 and AA 3079 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.