US Airways recently announced the introductions of First-Class Cabins on its regional aircrafts.

The airline will upgrade its 110 aircrafts, which will include Embraer 170, Embraer 175, Bombardier CRJ700 and Bombardier CRJ900. With this the airline will operate 640 flights with First-Class to 85 cities.

There are a few US based airlines such as Delta Air Lines, American Airlines and United Airlines, which have reconfigured their domestic flights and are offering first class and business class seats to their domestic customers.