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American Airlines has extended its ban on alcohol until 2022.
American Airlines' internal memo states, "We are doing all we can to help create a safe environment for our crew and customers on board our aircraft."
The extension of the ban is due in part because of a few incidents where passengers became unruly during flights because of alcohol.
The Federal Aviation Administration has recently announced that 'proposed fines for unruly passengers this year had topped $1 Million'.