Airlines are enforcing their individual mask mandates in the absence of any government mandates and several flights have been turned around in the last couple of weeks because passengers refused to wear them. The latest was a Delta flight that returned to Detroit Metro because two passengers “were non-compliant with crew instructions.” The rest of the passengers eventually got to Atlanta. American and Spirit have also removed passengers at the ramp.
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/airlines-cracking-down-on-masks