Southwest Airlines, the nation’s busiest airline, is expanding service from New York’s LaGuardia (LGA) Airport beginning this fall. Beginning Nov. 4, 2018, Southwest will add new nonstop service between: New York (LaGuardia) and New Orleans New York (LaGuardia) and West Palm Beach, Fla.* New York (LaGuardia) and Orlando* *Service is offered on Saturdays beginning Nov. […]