United Airlines credit cards are the fastest way to earn free travel through the United MileagePlus frequent flyer program. There are also various other ways to earn United Airline miles besides flying. Chase is the provider of various co-branded United Airlines credit cards.
There are several banks that issue American Airlines credit cards. You can earn free travel through bonus miles for the AAdvantage frequent flyer program with these American Airlines credit cards. You can also earn miles by using the credit cards, especially for travel on American Airlines. Here is a summary of the various American Airlines credit cards available.
In order for you to be able to enjoy free or low cost travel, whether it be for personal trips or vacations, or humanitarian aid, or mission trips (we personally use our miles and points to take 10 mission trips per year to Asia, Africa, South America, and Central America), or for business purposes, you will need to get to know the many airline frequent flyer programs. You will also need to get to know where the airlines fly to and where their airline partners fly to as well. And you will need to become a member of as many frequent flyer programs as possible, in order to take advantage of the many reward travel opportunities that are available (and there are many).