WILMINGTON, Del.--(BUSINESS WIRE)--Chase Card Services, a division of JPMorgan Chase & Co. [NYSE: JPM] and Southwest Airlines® (NYSE: LUV) today announced a multi-year extension to the nearly 20-year partnership for co-branded credit cards, Southwest Airlines® Rapid Rewards® Plus, Premier and Business Cards. “This extension reinforces our long-term commitment to collaborating on a program that delivers exceptional value and service to our shared customers,” said Eileen Serra, chief executiv