number of us airline passengers per day
View the U.S. Airline Industry Summer Air Travel Forecast and First Quarter 2015 Review presentation and infographic. A4A projects approximately 222 million passengers (2.4 million per day) are expected to fly on U.S. airlines from June 1 â Aug. 31, up 4.5 percent (104,000 passengers per day) from 2014. This includes 31 million travelers (332,000 per day) on international flights â a record high. To accommodate the expected growth in demand, airlines are increasing the number of available seats by 4.6 percent, or 126,000 per day, during this period.