The United Explorer Card and the United Quest Card are both excellent choices for frequent United flyers. However, the United Explorer Card is the better option for most travelers due to its lower annual fee and valuable perks like free checked bags and United Club passes.
Nevertheless, the United Quest Card offers higher rewards on United purchases and additional travel credits, making it worth considering for those who fly United frequently and can leverage the extra benefits. MoneyGeek's United card comparison breaks down the card details, rewards and perks to help you decide which is right for you.