With this card, we earn 14X points on purchases made directly with hotels and resorts within the Hilton portfolio, 7X points on purchases of flights booked directly with airlines or flights booked through American Express Travel, Car rentals purchased directly from select car rental companies, and purchases at U.S. Card name Welcome bonus Earnings rate Annual fee Special perks United℠ Explorer Card Earn 50,000 bonus miles after you spend $3,000 on purchases in the first 3 months your account is open (plus, earn 10,000 bonus miles after you add an authorized user to your account in the first 3 months your account is open) 9x total miles on eligible United flights and 3x miles on all other eligible United® purchases, 2x miles on dining and hotel stays when booked with the hotel and 1x mile…