United Airlines flight 4166 — from Pennsylvania to Chicago — made an emergency descent after rapidly losing cabin pressure 40,000 feet above Ohio.
The plane left the Lehigh Valley International Airport in Allentown, Pennsylvania, around 5:24 a.m. and was expected to arrive at Chicago's O'Hare International Airport at 8:44 a.m.
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 alerts went off onboard letting pilots know they were close to another plane and 'corrective instructions' were issued to both flight crews
The close call between the United and Delta flights at the Phoenix airport comes amid an increase in plane near-collisions.
A United Airlines flight Sunday from Lehigh Valley International Airport to Chicago was diverted to Detroit because of a possible problem with the cabin pressure.
The FAA has begun an investigation into a midair incident involving a United Airlines Boeing 737-900ER and a Delta Air Lines Airbus A330-300.
The United Airlines flight was forced into a sharp fall after experiencing a sudden fault at 40,000ft prompting an urgent call to air traffic control
The Federal Aviation Administration ( FAA) has disclosed that Delta Air Lines and United Airlines aircraft were involved in a near-miss in Phoenix, Arizona, on January 11 of this year. The FAA issued a short statement detailing that Delta Air Lines and United Airlines aircraft both landed safely after a loss of required separation when the planes were inbound to Phoenix Sky Harbor International Airport(PHX) on January 11.