HOUSTON & ABU DHABI, United Arab Emirates--(BUSINESS WIRE)--Etihad Airways, the national airline of the United Arab Emirates, and PROS® (NYSE:PRO), a big data software company, today announced the signing of a strategic agreement that will see the airline migrate its PROS Origin & Destination (O&D) revenue management solution to the cloud to support its rapidly expanding business operations. For more than a decade, Etihad Airways has leveraged PROS innovative smart applications to help