Impressive operating margins attributed to low unit cost and healthy travel demand helped Copa Holdings' post- industry-leading financial results last year. Through its subsidiaries Copa Airlines and Copa Columbia, the company has become a regional leader among airlines in South America with destinations to and from North and Central America and the Caribbean along with its Panama City hub. Coming off of a very tough-to-compete-against prior-year quarter, Copa Holdings' Q1 sales are projected to dip -3% to ...