What is the main fleet type operated by Republic Airways?

Republic Airways primarily operates the Embraer 170 and 175 aircraft as its main fleet type. This choice reflects the airline's strategy to provide regional jet services that are efficient and capable of serving a variety of routes. The Embraer 170 and 175 are known for their fuel efficiency and smaller capacity, which makes them ideal for regional operations where demand may not justify larger aircraft.

The Embraer 170 is equipped with a comfortable cabin layout, enhancing the passenger experience while also allowing for flexibility in scheduling flights on routes that have fluctuating demand. Additionally, this fleet type supports the operational model of Republic Airways, as it is commonly used in partnership with major airlines to feed larger hubs, making it a key asset for the company.

In contrast, while other aircraft types mentioned in the options have their own strengths and are operated by various airlines, they are not the primary fleet for Republic Airways. The Boeing 737, Airbus A320, and Bombardier CRJ series cater to different market needs and operators but do not represent the core fleet of Republic Airways, which focuses on the Embraer jets to maximize operational efficiency and market reach in the regional segment.