Mesa AirlinesASH/ YV

Mesa Airlines is a major U.S. regional carrier headquartered in Phoenix, Arizona, that has been operating since 1980. Primarily engaged in passenger operations, Mesa operates scheduled regional flights under capacity purchase agreements with larger carriers, including United Airlines, American Airlines, and Southwest Airlines, serving as a crucial link in the U.S. domestic network. The airline operates regional jet services from various hub cities, connecting smaller markets to major airline hubs across North America. As a regional carrier, Mesa offers standard economy cabin service on its regional routes and maintains a loyalty program through partnerships with its mainline airline partners. Mesa is one of the largest regional airlines in North America and plays an essential role in extending the reach of major carriers to secondary and tertiary markets.