The Mechanics of Airline Upgrades and Maximizing Loyalty Credit Cards

How exactly to airline loyalty programs work, and is there any way to game the system? Credit cards play a huge factor, but do any of them give you the edge? We use American Airlines as our case study example of how plane perks and credit cards are so intertwined.The more you know:https://cwsi.net/aa.htmhttps://viewfromthewing.com/trumps-team-discloses-they-violate-airline-rules-use-throwaway-ticketing-site-skiplagged-for-airfare/RocketMiles.comhttps://lpcalculator.com/#/landing