What competitive force was the most dominant in preventing US Airways from success?

The most dominant competitive force preventing US Airways from achieving success stemmed from traditional competitors. In the airline industry, established carriers with significant market share and brand loyalty pose substantial challenges to companies like US Airways. These traditional competitors benefit from economies of scale, entrenched customer bases, and extensive networks, making it difficult for US Airways to differentiate itself and capture market share.

As these established airlines engage in price wars, enhance customer service, and invest in fleet modernization, US Airways faced hurdles in matching these offerings due to financial constraints and operational inefficiencies. This intense rivalry further compelled US Airways to continuously adapt its strategies to compete effectively, placing enormous pressure on the airline's resources and profitability.

While new market entrants, substitute products, and supplier power indeed play roles in competitive dynamics, the fierce competition from well-established airlines stood out as the most significant barrier to US Airways' success.