United went through a period in the 90's where it was majority-owned by its employees, which ended when it restructured under bankruptcy in the mid-2000's: http

United went through a period in the 90's where it was majority-owned by its employees, which ended when it restructured under bankruptcy in the mid-2000's: https://en.wikipedia.org/wiki/UAL_Corporation#History https://en.wikipedia.org/wiki/UAL_Corporation#History In general, airline employees enjoy very strong unions, not only for pilots but also flight attendants.