United Airlines and Chase are introducing new benefits for their credit card offerings, effective immediately for new members and existing cardholders. The United Explorer Card will have an annual fee of $150, while the United Quest Card will be $350, and the United Club Card will be $695, each providing significant annual value. New cardmembers can earn welcome bonuses ranging from 80,000 to 125,000 miles through May 7, 2025, with additional perks including upgrades, statement credits, and complimentary memberships to services like Instacart+.