Archer Aviation (NYSE:ACHR) stock is up over 10% today after inking a promising new deal with Southwest Airlines (NYSE:LUV). The two have signed a memorandum of understanding (MOU) to develop operational plans for electric air taxi networks using Archer’s eVTOL aircraft at airports in California where Southwest functions.Southwest is California’s largest airline, operating at 14 airports in the state. As such, the deal opens up real possibilities for Archer.The Archer Midnight aircraft would be used to repl ...