The Federal Aviation Administration is investigating a near-miss between two commercial flights at Phoenix Sky Harbor International Airport on Saturday, involving a United Airlines flight from San Francisco and a Delta Air Lines flight from Detroit.

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

The close call between the United and Delta flights at the Phoenix airport comes amid an increase in plane near-collisions.

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 FAA said it is investigating the incident ... The United flight was a Boeing 737-900 en route from San Francisco and carrying 123 passengers and six crew, the spokesperson said.

The FAA has launched an investigation into a loss of separation between two commercial flights in Phoenix Saturday.

At the same time, a similar alert was set off on United Flight 1724, flying on a Boeing 737-900, from San Francisco, carrying 123 passengers and six crew members. The FAA noted both planes landed ...

A Delta Air Lines plane and a United Airlines aircraft raised alarms when they flew too close to each other while flying into Phoenix on Saturday. The Federal Aviation Administration is investigating the “loss of required separation” incident.

Both aircraft were inbound to the airport when a loss of separation occurred during their approach for landing

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

At the same time, a similar alert was set off on a United Flight 1724 from San Francisco, carrying 123 passengers ... according to FlightRadar24. The FAA noted both planes landed safely "after experiencing a loss of required separation when they were ...

We are just a few steps from the finish line. We want to turn what are now one- and two-hour trips into five-minute trips.”