Combined with earlier losses reported by Delta and United, the four largest U.S. airlines have lost at least $10 billion in each of the last two quarters.
American plans to put the plane back in its schedule by the end of the year, assuming that federal regulators soon approve changes Boeing made after two crashes of Max jets killed 346 people.
The airline industry has been decimated by the pandemic.
COVID-19 effect: American Airlines warns 25,000 staffers against job losses, Delta lets go 17,000 employees
US airlines accepted up to USD 25 billion in federal aid to help cover payroll costs in exchange for not cutting jobs until October.
The Max was Boeing's best-selling plane before crashes in Indonesia and Ethiopia killed 346 people and led regulators around the world to ground all Max jets.
Activist banned from American Airlines for refusing to wear face mask as precaution against COVID-19
American Airlines said Straka will be banned until the airline drops its requirement that passengers and crew members wear face coverings to limit spread of the virus that causes COVID-19.
American's loss dwarfed the USD 534 million loss reported last week by Delta Air Lines, which is slightly larger by revenue.
The Minister retweeted the tweet tagging the United States Consulate in Hyderabad and the United States Embassy in New Delhi, requesting them to intervene.
The Qatari airline's surprise plan to buy at least $808 million in American shares was disclosed by the US carrier in a securities filing in June.