More than $84 million in additional federal funding will be used to expand capacity at Phoenix Sky Harbor International Airport. That expansion includes the construction of a new taxiway bridge.

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 said.

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

Here's when you can eat and drink at Garrett Popcorn, Guy Fieri's Phoenix Kitchen + Bar and other new options opening in Terminal 4 soon.

The city of Phoenix has been awarded over $84 million to help improve infrastructure at Sky Harbor, including paving the way for a new taxiway bridge to help improve airport operations.

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