Delta Air Lines has placed a total of 460 customers who refused to wear face masks during flights to its "no-fly list," according to an internal memo from CEO Ed Bastian.
"Wearing a mask is among the simplest and most effective actions we can take to reduce transmission, which is why Delta has long required them for our customers and our people," Bastian said in a letter to Delta employees, reports NBC News.
The Atlanta-based airline, along with many other U.S.-based carriers started requiring in April that passengers wear non-vented fabric face coverings.
The nation's airlines have been hit hard by the coronavirus, with many starting to furlough employees earlier this month after emergency relief funding lapsed and was not replaced with further stimulus money.
Bastian said, as coronavirus cases continue to climb nationwide, it will be important to the airline's future to keep fighting the pandemic.
"With the cold-weather months approaching, stopping the spread will be crucial to our recovery from the pandemic and Delta's return to growth and leadership within our industry," he wrote in the memo, which Reuters transportation reporter David Shepherdson posted on Twitter.
Within three months after Delta announced its policy, it had put 120 people on the no-fly list for refusing to wear a mask, according to a July 23 memo obtained by Fox Business. The 460 people announced this week is a cumulative number of people on the list to date.
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