United Airlines’ MileagePlus Program: What Are The Hidden Perks?

MileagePlus is one of the world's largest frequent flyer programs, with over 100 million members. There have been major changes to MileagePlus (and other loyalty programs) in recent years – making it more important to understand the best ways to earn and spend miles. This guide looks at some of the best value within the MileagePlus program, arranged as a series of tips related to earning and redeeming miles, and elite status.