In 1986, after the merger of Republic Airlines and Northwest Orient Airlines, Mesaba transitioned their codeshare partnership, and began operations as a Northwest Airlink carrier on behalf of Northwest Airlines.
ScotAirways operated its existing services to Edinburgh and Dundee as codeshare services with Air France, and in addition launched new services to George Best Belfast City Airport, Strasbourg and Eindhoven from London City Airport on behalf of CityJet.