- AA American Airlines
- AAH AAdvantage Hotels
- ACS AAdvantage Customer Service
- Co-terminal Clusters of airports in a geographic region that can be interchanged (LGA, JFK, EWR) (FLL, MIA) (SFO, SJC) (LAX, ONT, BUR, SNA) (HOU, IAH)
- CK Concierge Key is the highest elite level primarily by invite-only and generally determined by annual spend on AA metal
- EF ExpertFlyer is a paid travel information service for frequent flyers and business travelers. It provides access to in-depth flight/travel research. It allows you to set alerts for award space, upgrades, or specific seats.
- EP Executive Platinum is the top-earned status on American Airlines
- F / J / P / Y are fare classes that represent cabins: First / Business / Premium Economy / Economy respectively
- LP Loyalty Points are how status progress is measured on American Airlines
- MCE Main Cabin Extra
- MCT Minimum Connection Time
- MPG Miles & Copay Upgrade
- ORC Original Routing Credit
- PP Platinum Pro is the second highest earned status level on American Airlines
- RM Rocketmiles
- SM SimplyMiles
- SWU System Wide Upgrades are a loyalty choice award beginning at 175,000 loyalty points