Mesa Airlines (YV, Phoenix Sky Harbor) has deployed its first three E175s - N88301 (cn 17000388), N87302 (cn 17000394) and N87303 (cn 17000398) - into revenue service under the United Express banner as of June 15, 2014.

United schedule data shows the aircraft are based out of Houston Intercontinental and operate to Atlanta Hartsfield Jackson, Austin-Bergstrom International and New Orleans International with plans to use them on Calgary, Edmonton International, Hartford Bradley and Toronto Pearson flights in the future.

Mesa will operate a total of thirty EMB-175s for and on behalf of the aircraft's owner, United Airlines (UA, Chicago O'Hare).