EXHIBIT 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D with respect to the common stock of Mesa Air Group, Inc. dated as of January 23, 2023 is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934.

United Airlines Holdings, Inc.
By:	/s/ Robert S. Rivkin
	Name: Robert S. Rivkin
	Title: Senior Vice President and Chief Legal Officer

United Airlines, Inc.
By:	/s/ Gerald Laderman
	Name: Gerald Laderman
	Title: Executive Vice President and Chief Financial Officer

January 23, 2023