Allegiant Travel has finalized the acquisition of Sun Country Airlines in a transaction valued at approximately $1.5 billion, comprising cash and stock. The merger establishes a major leisure airline serving around 175 cities. In the near term, the companies plan to maintain independent operations of their respective brands to preserve loyalty among their existing customer bases. This consolidation is viewed as a significant step in the integration of the U.S. low-cost carrier market. It is expected to generate synergies in areas such as fuel procurement, route networks, and ground services, enabling the combined entity to more effectively navigate competitive pressures from both traditional airlines and emerging low-cost rivals.