The Federal Aviation Administration (FAA) said it is investigating a recent near-midair collision of flights that were approaching Phoenix Sky Harbor International Airport. A Delta Air Lines

The United and Delta flights were less than a quarter of a mile apart horizontally before the warning devices went off, officials say.

The two flights, United Airlines Flight 1724 and Delta Air Lines Flight 1070 came too close to each other while arriving at the airport.

FAA officials say the two planes "landed safely after experiencing a loss of required separation" as they were headed to Sky Harbor.

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<a class="excerpt-read-

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.

The two planes experienced ‘a loss of required separation’ when they neared Phoenix Sky Harbor International Airport, the FAA said

The FAA is investigating after two planes became too close together while approaching Phoenix Sky Harbor International Airport over the weekend. The Delta Airlines and United Airlines flights were both approaching the airport to land Saturday around 1 p.