United Airlines on Tuesday announced the largest aircraft order in its history and the largest for the industry by a single carrier in more than a decade.

The airline said the deal includes 15 jets from “Boom Supersonic” that are capable of flying twice as fast as current planes.

United Airlines hopes to bring back supersonic travel before the end of this decade

United Airlines says it will train 5,000 pilots at its own academy in this decade, and it hopes that half of them will be women or people of color

Southwest Airlines says it’s expanding its all-Boeing fleet with an order for 100 737 MAX airplanes

Pilots at United Airlines have voted to approve a deal that will avoid furloughs at one of the nation's biggest carriers

First US airline launches COVID-19 pilot testing program

United will now use antimicrobial spraying robots on some aircraft

As carriers launch an all-out battle for returning travelers, one major airline is debuting a new deep-clean technology.

The carrier has permanently eliminated the $200 fee for changing flight dates and times for its domestic flights in standard, economy and premium cabins.

Jake Cefolia, 49, was reported missing Aug. 8, his car was found near a forest preserve near Chicago.

United Airlines is hinting that major layoffs could be coming if Washington doesn’t pass an airline bailout by the end of this month

A United Airlines flight from New Jersey to California was forced to make an emergency landing at Newark Liberty International Airport after an apparent engine fire.

He will stay at the company as executive chairman of the board.

Passengers aboard a United flight departing Denver were alarmed when an engine cover came flapping loose. They praised the pilot for turning the plane around.

The airline explained “the lavatory door became inoperative” as a passenger got trapped in the bathroom.

Choon Ping, 50, pleaded guilty to video voyeurism in federal court after a passenger on the United flight reported the video camera in the first-class restroom to airline staff.

Police in Scotland say two pilots have been arrested on suspicion of being under the influence of alcohol or drugs before a scheduled flight to New Jersey

United Airlines says it expects to cancel about 8,000 flights through October while its Boeing 737 Max jets remain grounded

It's in effect until 3 p.m., FAA said.

Plus, a daring rescue off Cape Hatteras as the Coast Guard pulls an elderly couple away from a cruise ship, a driver loses control of his vehicle after sneezing and a massive glitch shuts down Target.

Oscar Munoz sat down with ABC News' David Kerley.

Oscar Munoz thinks airlines are reaching a breaking point with shrinking seat sizes.

Dr. David Dao, who was bloodied when forcibly removed from a United Airlines flight, broke his silence following the 2017 incident and said he "just cried" watching a cell phone video of it.

Dr. David Dao spoke to ABC News in his first public interview since the 2017 incident.

United Airlines flight 4390 safely landed at Dallas/Fort Worth International Airport after two cockpit screens went blank mid-flight.

While many airlines are cutting costs by removing seat-back screens and fitting more passengers on flights by cutting seat space, Delta is betting on a new strategy.

United Flight 179 was traveling from Newark to Hong Kong.

Survivors reflect on the 10 years since the "Miracle on the Hudson."

Captain Chesley Sullenberger landed a U.S. Airways Airbus, with 153 on board, in Manhattan's Hudson River after hitting a flock of geese.

Ten years later, Capt. Chesley "Sully" Sullenberger still answering questions about his "Miracle on the Hudson" river landing.

He said he had to scoot down down the plane's aisle on multiple occasions.

Starting Jan. 7, emotional support animals will be limited to United Airlines flights under eight hours. It is the latest carrier to tighten its rules.

A former United Airlines flight attendant says a pilot posted sexually explicit photos and videos of her on pornographic websites and the airline failed to protect her.

James Long alleges that he was unfairly terminated by his employer.

A woman received a $10,000 voucher when bumped from a full United flight.

For Allison Preiss, her travel experience ended much better than it began.

The new rule will remain in effect indefinitely.

Southwest Airlines is taking heat for the incident after the scared toddler and her father were kicked off a flight.

The dog has been "safely delivered" to its owner, the airline said.

United Airlines has started an investigation after workers accidentally flew a Kansas-bound dog to Japan, the airline confirms.

The airline apologized today for sending a dog bound for Kansas City to Japan.

Both United and the FAA said they would investigate the matter.

'I thought we were going to die," one passenger said.

Jean-Marie Simon says the airline gave her first-class seat to Texas Democrat Sheila Jackson.

Those who requested assistance have since been released, the airline said.

By year's end, all domestic carriers are expected to have retired the jumbo jet.

In a now-viral video, officers dragged Dr. David Dao off a United flight.

United Airlines apologized and is investigating the incident.

According to a family's Facebook post, Lulu, a 5-year-old Cavalier King Charles Spaniel who was loaded in the cargo section of a United flight from Houston to San Francisco was dead when they went to pick her up following a two-hour delay on the ground.