Coupled with Malaysia Airlines (MH) officially joining the OW Alliance yesterday, they announced that OW Emerald elites (so AA EXP) would begin receiving two new benefits. Those are.... 1. Additional Checked Baggage - One additional bag over whatever allowance your ticket fare class allows OR an additional 20 kgs (44 lbs) if your ticket/carrier references baggage weight instead. 2. Fast Track Security - Access to "fast track" or "priority lane" security screening at the following airports: AMM, TXL, BOS, BNE, ORD, DFW, HEL, LAX, MAD, MEL, MIA, DME, JFK, LGA, SFO, ARN, SYD, NRT. LINK.