SkyWest firmed its order for 100 Mitsubishi Regional Jets on December 13th, 2012. The airline also placed options for up to 100 additional aircraft.
The order sets the initial 100 MRJs to be delivered as the MRJ 90 version of the aircraft. The announcement also noted that the first aircraft is due to be delivered in 2017 and the last of the initial order to be delivered by the end of 2020. Any options that were taken would be expected to be delivered from 2021 onwards.
SkyWest Airlines operates as United Express, Delta Connection and American Eagle, US Airways Express and operates regional flights for Alaska Airlines.