Four people were taken to the hospital after an external battery caught fire on a United Airlines flight early Tuesday.

United Airlines could pay a $1.15 million fine after allegedly conducting flights with planes that were not in airworthy condition, the FAA said

A fire Sunday morning in a laundry room at the George Bush Intercontinental Airport prompted a ground stop on all United Airlines flights to Houston, officials said.

Two travelers said United Airlines lost their wheelchairs after taking a flight with the carrier earlier this week.

The CEO of United Airlines says it could be another rocky year for air travelers

"I'm apologizing to them daily," Southwest CEO Bob Jordan said.

U.K. inflation eased in November as gasoline and diesel prices rose more slowly than the previous month

United Airlines pilots are turning down pay raises of nearly 15% over 18 months

A United Airlines flight traveling from Chicago to Miami experienced a bird strike, with a passenger capturing video of flames shooting from the engine.

Planes from the U.S. to Europe were packed this summer, and United Airlines figures the same thing will happen next year

The Federal Aviation Administration fired back after the airline's COO blamed the FAA over staffing issues at air traffic control centers.

The United official blamed a shortage of air traffic controllers and the weather for the majority of recent delays and cancellations.

United Airlines said an employee was fired after allegedly slapping former NFL player Brendan Langley at the bag-drop desk at Newark Liberty International Airport last week.

Authorities said there were no injuries reported among the 13 passengers and three crew members aboard a United Express flight.

The 40-year-old was taken into custody, but has since been released.

Scott Kirby speaks to "GMA" about how the airline has braced for almost twice as much air travel as last year and safety measures with the omicron variant on the rise.

The fire broke out in the tail end of the plane while it was at the gate. No passengers or crew were on board at the time and no one was hurt.

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.

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.

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.

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.