Frequent flyer programs offer a variety of benefits, including earning rewards points for flights, discounted airfares, priority boarding, and other perks.

Star Alliance is the largest airline alliance in the world, with 26 member airlines.

American Airlines' frequent flyer program is called AAdvantage.

Southwest Rapid Rewards is generally considered to be the most generous frequent flyer program, offering a variety of benefits including no blackout dates and the ability to use points to book flights on any airline.

The minimum number of miles required to redeem for a free flight on most major airlines is typically 25,000 miles.

United Global Services is generally considered to be the most exclusive frequent flyer program, offering a variety of benefits including dedicated customer service, priority check-in and boarding, and access to exclusive lounges.

The currency used by most frequent flyer programs is called miles.

Star Alliance offers the best redemption options for international flights, with a wide variety of partner airlines and destinations.

The program that allows frequent flyers to earn miles on everyday purchases is called Frequent Flyer Shopping.

United Global Services offers the most generous elite status benefits, including dedicated customer service, priority check-in and boarding, access to exclusive lounges, and more.

The program that allows frequent flyers to upgrade their flights using miles is called Mileage Upgrade Awards.

Southwest Rapid Rewards offers the best family benefits, including the ability to pool miles with up to four family members and the ability to book flights for children at a reduced rate.

The program that allows frequent flyers to earn miles for flying on partner airlines is called Global Partner Awards.

United MileagePlus offers the best benefits for business travelers, including priority check-in and boarding, access to exclusive lounges, and the ability to earn miles for business expenses.