The airline also adds 155 MAX options and extends order book through 2031 while accelerating 737-700 retirements and investing over $10 billion in new and existing firm aircraft orders to further improve fuel efficiency and reduce carbon emissions DALLAS, TEXAS, 2021-Mar-30 — /Travel PR News/ — Southwest Airlines Co. (NYSE: LUV) announced today (Mar 29, 2021)… Read the full press release