Allegiant Air said Wednesday it has completed its purchase of Sun Country Airlines, finalizing a deal that combines two low-cost carriers at a turbulent time for the budget airline industry.

Allegiant Air said Wednesday it has completed its purchase of Sun Country Airlines, finalizing a deal that combines two low-cost carriers at a turbulent time for the budget airline industry following

Allegiant Air says it has completed its purchase of Sun Country Airlines, bringing together two low-cost carriers and creating a larger budget airline for travelers.