 With so much choice available to passengers, Delta's revenue from main cabin ticket sales remained flat, but premium cabin revenue, that jumped 10%. Americans are traveling more than ever this year, with TSA breaking its single-day passenger record on June 23rd, only to break it again two weeks later with 3 million people screened. For NPR News, I'm Melissa Fado in Atlanta. Well, the price of gas has been relatively flat and even come down in some cases. One area where price pressures remain is at the supermarket.