Respuesta :
Southwest airlines is a major U.S airline headquartered in Texas, and the world's largest low cost carrier. One of the distinctive capabilities of Southwest Airlines that makes it different is that they operate one type aircraft which is the Boeing 737, a short-medium range twinjet narrow-body airliner which delivers superior reliability, and fuel efficient. It is low maintenance and operating costs a competitive edge.
Answer:
Because it is a major low cost airline
Explanation:
To save money Southwest chose 737's over a320's because 737's are older and have flown around longer meaning boeing has experience on the 737. The a320 is newer and airbus has less experience making it than boeing so that is why Southwest chose 737-700/800 over a319 and a320.