United Airlines (UA, Chicago O'Hare) will launch service with its Mesa operated E175 fleet on flights between its Houston Intercontinental hub and Atlanta Hartsfield Jackson as well as New Orleans International beginning June 15, and between Houston and Austin-Bergstrom International beginning June 16. The flights will be operated as United Express.

The Brazilian twinjets will also be deployed on the following SkyWest Airlines-operated flights between Chicago O'Hare and Minneapolis/St. Paul beginning June 5; between Chicago and Atlanta beginning June 15; and between Chicago and New York La Guardia beginning June 23.

The aircraft feature 12 seats in First, 16 seats in Economy Plus and 48 seats in Economy.