Empires Airlines was an airline that merged with Zimmerly Airlines in 1946 to form West Coast Airlines. West Coast Airlines later merged with two other airlines to form Hughes Airwest in 1968. In 1980 Hughes Airwest was acquired by Republic Airlines, which was acquired in 1986 by Northwest Airlines. Northwest Airlines was approved to merge with Delta Air Lines on October 29, 2008.
References
Empires Airlines Wikipedia(Text) CC BY-SA