SkyWest, Inc., (NASDAQ: SKYW) ("SkyWest") today reported 159,214 block hours in June 2017, compared to 168,060 block hours in June 2016, a decrease of 8,846 or 5.3%. The net decrease was consistent with SkyWest's fleet transition plan to improve the mix of aircraft in its fleet by adding new E175 aircraft, while reducing its 50-seat jets.

The year-over-year net change was primarily driven by approximately 13,800 additional block hours from its E175 aircraft and a decrease of approximately 22,600 block hours from its other aircraft types.

In June 2017, SkyWest's dual class aircraft represented approximately 51% of SkyWest's total block hour production for the month compared to approximately 43% for the month of June 2016.

SkyWest reported 919,783 block hours for year-to-date June 2017, compared to 980,209 block hours year-to-date June 2016, a decrease of 60,426, or 6.2%. This net change was primarily driven by approximately 76,400 additional block hours from its E175 aircraft and a decrease of approximately 136,800 block hours from its other aircraft types.

SkyWest had 95,990 departures in June 2017 compared to 101,230 in June 2016, a decrease of 5,240, or 5.2%. SkyWest generated 2.84 billion available seat miles (ASMs) for June 2017, compared to 2.95 billion ASMs for June 2016, or a 3.9% decrease. Additional flight statistics for June, including passengers enplaned, revenue passenger miles, and passenger load factors, are included in the accompanying table.