The carrier said in a statement the passenger "did not comply with our crew's multiple verbal requests—including while boarding the flight before seated."
Although passenger Tiffani Jett attempted to place the mask on her daughter's face, the child "kept hollering that her ears hurt."
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.
Police and aviation officials are investigating the incident that took place at Austin-Bergstrom International Airport in Texas.
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."
A journalist claimed that a Southwest flight attendant threatened to have his wife removed from a flight.
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.
A lawsuit filed Monday by the Southwest Airlines Pilots Association (SWAPA) alleges that Boeing "deliberately" misled the airline and pilots about the company's troubled 737 MAX airplane, resulting in over $100 million in lost wages.
"Southwest employees are known for demonstrating their sense of humor and unique personalities," said a spokesperson for the airline.
"There was no question. They weren't like, 'What's AirDrop?' They just took care of it,'' the passenger said.
The woman was was met by local police upon her exit from the plane.
The suspect claimed he just scratched the woman's back.
"Southwest is quick to fire blacks while whites are given lesser discipline," Jamel Parker said in his lawsuit against Southwest.
Many airlines are ready to issue waivers for passengers on delayed or canceled flights.
One person died after the flight's engine blew out, causing passengers to "confront their greatest fear, the overwhelming horror of being trapped in a plane about to crash."
The airlines said it would use the incident as a teaching moment.
"I'm appalled that after approx 50 times flying with my 1-year-old son ticket counter personnel told me that I had to 'prove' that he was my son despite having his passport."
Pilots have spoken about the mid-air catastrophe in which a woman later died.
The crew aboard Southwest Airlines flight 1380 has been commended for staying calm under duress.
Bob Ringwald had a medical emergency, forcing the plane to divert.
In the wake of the fatal engine failure, the families of victim Jennifer Riordan and the surviving passengers are likely to take these steps in filing lawsuits.