American Airlines improved RASM due to enhanced RMS and basic/premium economy product: CFO

    American Airlines CFO Derek Kerr said FY2018 RASM was up 2.4%, while RASM in 4Q2018 was up 1.7% (Seeking Alpha, 24-Jan-2019). He noted the growth was due to enhancement of the airline’s revenue management system (RMS) and the positive impact from its basic and premium economy products.