. >> on a global scale, legroom is just as spacious as most rivals. that has cap the carrier -- help the carrier increase ticket sales year-to-year. lufthansa had a 3.6% increase compared to the beginning of 2015 but the airline revenue in the same period.ning slightly consumers are happy about increasing competition from budget carriers, putting downward pressure on fares. the cargo unit is also struggling. other airlines are transporting more freight than their passenger flights. it is pinning its hopes on the summer high season and expects full-year earnings to top last year's 1.8 billion. meanwhile, u.s. airlines, including american and delta, have been posting solid profits. last week, the lower fuel prices helped airlines triple their tax earnings to over $25 billion. they have been earning billions for the past six years. >> let's bring in our financial correspondent in new york. lufthansa is losing millions while in the u.s., airlines are booking profits. what is the difference? >> they are booking billions so to speak. that is the price of co