which airline is based in Waterside and owns OpenSkies transatlantic airline?
OpenSkies: OpenSkies is a transatlantic airline owned by British Airways (BA) that is headquartered in Rungis near Paris. British Airways: British Airways (BA) is the largest airline in the United Kingdom based on fleet size, or the second largest, behind easyJet, when measured by passengers carried.
the largest airline in the United Kingdom based on fleet size