Deutsche Lufthansa (ETR:LHA) reported record second-quarter revenue but lower earnings as higher fuel costs, labor disruptions and aircraft-delivery delays weighed on results. Lufthansa City Airlines more than doubled its aircraft count from the prior year to 18 this summer, according to Streichert. Spohr also said Discover Airlines and Lufthansa City Airlines added nine aircraft during the first half. About Deutsche Lufthansa (ETR:LHA)Deutsche Lufthansa AG operates as an aviation company worldwide. The Passenger Airlines segment offers products and services to passengers of Lufthansa Airlines, SWISS, Austrian Airlines, Brussels Airlines, and Eurowings.