The planes, carrying more than 350 people, experienced "a loss of required separation" while preparing to land at the same Phoenix airport, the FAA said.

The Federal Aviation Administration is investigating a narrowly missed midair collision between a United flight and a Delta flight at Phoenix Sky Harbor International Airport on Saturday, the agency ...

DANIEL SLIM/AFP via Getty The Delta Airlines flight was an Airbus A330-300 coming in from Detroit, while the United Airlines flight was a Boeing 737-900 coming in from San Francisco, according to ...