United Airlines and JetBlue have announced a partnership of the major airlines’ customer rewards programs, officials with JetBlue said. The collaboration between the two airlines, called BlueSky, will allow customers of one airline to use or gain airline miles for flights with the other, according to Long Island City-based JetBlue.

JetBlue Airways CEO Joanna Geraghty said on Monday the company's partnership with United Airlines would not lead to a merger between the two carriers. The two companies last week announced a collaboration that allows travelers to book flights on both carriers' websites,