Republic Airways Holdings Inc. is an American airline holding company focused on regional passenger air transportation in North America. Based in Indianapolis, Indiana, it owns and operates Republic Airways, one of the largest regional airlines serving major U.S. network carriers under capacity purchase agreements. Through these long-term partnerships with leading airlines, the company provides feeder traffic on short- and medium-haul routes, integrating its operations into broader domestic and international networks. Its fleet is centered on Embraer 170 and 175 regional jets, supporting high-frequency schedules to a wide range of small and mid-sized markets across the United States and select destinations in Canada, Mexico, and the Caribbean. Republic Airways Holdings Inc. plays a significant role in the U.S. aviation value chain by enabling major carriers to match aircraft size and frequency to route demand efficiently, underpinning connectivity between regional airports and large hub systems.