The FAA said it is investigating after a Delta Air Lines flight and United Airlines flight experienced 'a loss of required separation' while heading inbound to Phoenix Sky Harbor International Airport.

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.