Delta is now the official airline of the Wildlife Conservation Society, and now through September, Diamond Medallion members and a guest will receive complimentary general admission to WCS Parks including the Bronx Zoo, New York Aquarium, Central Park Zoo, Prospect Park Zoo and Queens Zoo, every Friday.

Platinum, Gold and Silver Medallion members and guest will enjoy complimentary access the first Friday of every month. Simply show your current Medallion membership card and photo ID at the zoo or aquarium entrance.