BARCELONA, Spain--(BUSINESS WIRE)--Accelya, a leading global provider of financial, commercial and analytics solutions to the airline and travel industry, today announced that it is being acquired by Vista Equity Partners (“Vista”), a leading investment firm focused on enterprise software, data and technology-enabled businesses. Vista’s investment in Accelya is the first made by the firm’s permanent capital investment fund Vista Equity Partners Perennial (“Perennial”), which is focused on growi.