Public health does not take precedence over The Constitution. If rights do not remain in a crisis, they don’t actually exist. If someone refuses to wear a mask, the pilot and the airline can deal with that passenger for that flight. Transportation Secretary Pete Buttigieg says “unruly passengers” should be put on a no-fly list.

Should not wearing a mask on a plane get you put on a no-fly list?
What constitutes unruly behavior on a plane?