What is Southwest's frequent flyer program called?

Southwest's frequent flyer program is known as Rapid Rewards. This program offers members the opportunity to earn points for flights and other expenditures, which can then be redeemed for free flights, upgrades, and other benefits. Rapid Rewards is designed to incentivize loyalty among travelers, allowing them to quickly accumulate points for travel rewards without the restraints that sometimes accompany other programs, such as blackout dates and expiration of points. The program also includes features like tier status levels and the possibility to earn bonus points through various partners, enhancing the overall experience for frequent travelers.