A bystander captured the altercation on video, which begins with the woman shouting at the employee and telling them: "We're not leaving."
The airline's COVID-19 protocols require all passengers and staff to wear face coverings, with the exception of those younger than 2.
Opponents of the Black Lives Matter movement have called American Airlines "racist, Marxist, and anti-American."
American Airlines announced an updated face covering protocol earlier this summer that warns passengers may be banned from future flights if they do not comply with mask requirements.
"If I don't get on that flight, you're going to be beat down to the death right here. I promise you that," she said.
American Airlines removed a woman on a flight for refusing to wear a face mask as video shows passengers clapping when the woman deplanes.
The passenger's lawsuit charges that a flight attendant grabbed her and shook her arm after she used an extra blanket during a flight.
American Airlines told Newsweek it is investigating after Texas Senator Ted Cruz was seen onboard a flight without wearing a mask over the weekend.
All airlines are requiring flyers to wear masks, among other safety practices.
American Airlines is re-joining several major U.S. air carriers in booking all flights to full capacity beginning July 1, ceasing the coronavirus pandemic precautionary measure of leaving at least one seat open between passengers.
Delta, United, JetBlue and American Airlines are among the major carriers offering refunds to passengers who are refused boarding.
The airline appears to have a contentious history of passengers claiming they've taken racist actions.
Crew members on an American Airlines flight asked a man to deplane Wednesday after he refused to wear a mask while on board. The airline requires all passengers to wear a face covering, and refusing to do so could mean being denied future travel.
The woman says the airline neglected to provide her with a wheelchair, leading to crew members dragging her down the aisle for a trip to the bathroom.
Most major U.S. carriers require passengers and crew members wear face masks during flights but reports on social media argue those policies are not being enforced.
Flight attendants for United, Delta, and American Airlines are not required to mandate the wearing of face coverings by passengers on flights.
Airlines are following face-covering recommendations by the U.S. Centers for Disease Control and Prevention.
Billionaire investor Warren Buffett's company sold off stocks in four major U.S. airlines. During an annual meeting Saturday through a live-stream, he called the investments during a pandemic "a mistake."
Flight attentdants gave Sheryl Pardo, "the only passenger on the flight," a personal shout-out on the airplane loudspeaker and spent the flight chatting.
The passenger first refused to lift his tray table before takeoff and then claimed he had contracted COVID-19.
American Airlines and British Airways have suspended certain international flights.
Flight 2796 from Miami International Airport on its way to Chicago was diverted to Jacksonville International Airport.
Police said the pilot declared an emergency and turned the flight back around after the woman said she was having trouble breathing.
Audio from the flight deck suggests the spillage occurred when a product was left in the airplane bathrooms after cleaning at London Heathrow airport.
Following an earlier plan to resume flights December 3, American Airlines now plans to resume flying its Boeing 737 MAX planes January 16, 2020, assuming all goes well when Boeing submits their final certification package to the FAA later this year.
Abderraoof Alkhawaldeh and Issam Abdallah were waiting for take-off on the flight bound for Dallas when passengers were disembarked.
Abdul-Majeed Marouf Ahmed Alani, 60, who allegedly disabled a navigation system on a flight from Miami International Airport, was denied bond on Wednesday.
An aircraft maintenance worker allegedly tampered with an American Airlines plane at the airport in Miami.
"What American Airlines is doing is discrimination," said attorney Reginald McKamie, Sr., who is representing Texas man Dana Holcomb in a case against the travel operator.
The London-bound flight from Philadelphia was diverted to Boston.