United is overhauling its MileagePlus frequent flyer program to reward travelers with more miles and lower redemption rates, including for some of its long-haul business-class seats — if they have one of the airline’s credit cards. It’s the latest move by an airline to reward its highest spending customers.

The changes mark the biggest shake-up to the lucrative program in more than a decade, when United began rewarding customers for how much they spent — not just how far they flew.

https://www.cnbc.com/2026/02/19/unit...edit-card.html