The Davey Terminal was originally the principal base of operations for Republic Airlines, which merged with Northwest Orient Airlines to become Northwest Airlines in 1986.

In November, the Bush Administration approved a request by KLM Royal Dutch Airlines to merge its operations with Northwest Airlines.

In 2009, they merged with Northwest Airlines, to become the worlds largest airline.

But once the accord was signed, KLM, the Dutch airline, could merge operations with Northwest Airlines.

Republic stopped MBS service when they merged with Northwest Airlines in the 1980s, and in 2010, Northwest merged with Delta Air Lines.

Delta Air Lines merged with Northwest Airlines.

In 2008, Delta merged with Northwest Airlines and cut flight capacity from the Cincinnati hub by 22 percent with an additional 17 percent reduction in 2009.

However, Delta inherited a fleet of -30s in 2008 when they merged with Northwest Airlines.

Delta would later merge with Northwest Airlines, which operates 747s.

Delta Air Lines merges with Northwest Airlines, forming the world's largest commercial carrier.