The Federal Aviation Administration is once again looking into a close call at a major U.S. airport, after two passenger jets narrowly avoided a mid-air collision as they attempted to land in Phoenix.

For most of the past decade, Delta Air Lines has been the unquestioned leader in the commercial aviation industry. The ...

A Delta Air Lines plane and a United Airlines aircraft ... problem The United flight on a Boeing 737-900 was flying from San Francisco into Phoenix Sky Harbor International Airport.