United℠ Explorer Card: Earn 25 PQPs for every $500 in credit card spending, up to 1,000 PQPs per year. United Quest℠ Card: Earn 25 PQPs for every $500 in credit card spending, up to 6,000 PQPs per year. United Club℠ Infinite Card: Earn 25 PQPs for every $500 in cr...