The Luke Air Force Base "Luke Days" air show has been moved to the weekend of March 17-18 from the original date of the weekend before (March 10/11). The reason for the move is given as "to ensure the public a more robust and dynamic experience. The event is free and open to the public".
The 2018 air show will see the first appearance of the US Navy's Blue Angels display team at Luke since 1992.
Official announcement here.