It works for much more than the city pairs on sale: All you have to do is change the origin and destination 3-letter city codes in the URL bar of your browser, and it will display the fare calendar for the city pair of your choice, domestic
and international.
Originally Posted by
tonytifao
To see, login to your AAdvantage account and below the flight search, click on a city pair sale to bring up the calendar. Sorry if this has been discussed.