UNI Airways (UNI Air) is a regional airline based at the Taipei Songshan airport, which is a domestic and regional subsidiary of EVA Air. It was known as Makung Airlines until 1996, when EVA Air took a majority share of the airline, then it merged with Great China Airlines and Taiwan Airways in 1998.
UNI Air has had the largest market share in the domestic Taiwan market in recent years, and has expanded to include international flights.

In recent years, UNI Air has launched services to international destinations from Kaohsiung, the southern Taiwanese port city of.

UNI Air received permission to begin flights to Japan in 2007.

So far the UNI Air operates mainly to domestic and China destinations, but also operates scheduled international flights to Bangkok, Ho Chi Minh City and Seoul, also chartered flights to Surabaya and Jeju from Kaohsiung.

UNI Air flights connect to the EVA Air network via Taipei and Kaohsiung, with service to over 40 international destinations worldwide.

Regardless of the flight in the air or the company's operational planning, UNI Air inherits the international service level of EVA Air. 
The current corporate logo of UNI Air was launched on March 30, 2012. The fuselage is painted with green as the main color, symbolizing the most precious green earth of human beings. 
The flying lines of painted orange and elegant green create sincerity. The friendly and lively atmosphere also fully demonstrates the innovative and forward-looking, flexible and flexible operating characteristics.

UNI Air’s domestic routes are mainly operated by using 13 ATR72-600 propeller aircrafts, which is the most dense and intensive airline on the domestic route. International and cross-strait routes are mainly operated by using 2 A321-200 aircrafts depending on the market demand.